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authorSamuel Holland <samuel@sholland.org>2020-09-18 04:41:13 +0000
committerSamuel Holland <samuel@sholland.org>2020-09-19 14:07:08 -0500
commit4064556ba1a1a02eea40ff208e31d747f59fd88b (patch)
tree4b164c27648fad5f0af0a9d0d2958b017844d46f /system
parenta7f03fc523db2f305ffd73220b12fb5a6bd2b3b6 (diff)
downloadpackages-4064556ba1a1a02eea40ff208e31d747f59fd88b.tar.gz
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system/easy-kernel: bump to 5.4.66
Diffstat (limited to 'system')
-rw-r--r--system/easy-kernel/APKBUILD38
-rw-r--r--system/easy-kernel/asound-syntax-fix.patch11
-rw-r--r--system/easy-kernel/config-aarch641
-rw-r--r--system/easy-kernel/therm_windtunnel.patch136
-rw-r--r--system/easy-kernel/windfarm.patch182
-rw-r--r--system/easy-kernel/windfarm_pm112.patch99
6 files changed, 16 insertions, 451 deletions
diff --git a/system/easy-kernel/APKBUILD b/system/easy-kernel/APKBUILD
index 58481d4c1..3160f058f 100644
--- a/system/easy-kernel/APKBUILD
+++ b/system/easy-kernel/APKBUILD
@@ -2,10 +2,10 @@
# Maintainer: Adelie Platform Group <adelie-devel@lists.adelielinux.org>
# KEEP THIS IN SYNC with the other easy-kernel packages.
_kflavour=""
-_patchver=0
+_patchver=1
_pkgname=easy-kernel$_kflavour
-pkgver=5.4.5
-pkgrel=5
+pkgver=5.4.66
+pkgrel=0
pkgname=$_pkgname-$pkgver-mc$_patchver
pkgdesc="The Linux kernel, packaged for your convenience"
url="https://kernel.org/"
@@ -23,19 +23,15 @@ _pkgmajver=${pkgver%%.*}
_pkgminver=${pkgver%.*}
source="https://cdn.kernel.org/pub/linux/kernel/v${_pkgmajver}.x/linux-${_pkgminver}.tar.xz
https://distfiles.adelielinux.org/source/linux-${_pkgminver}-mc$_patchver-patches.tar.xz
- config-ppc64
- config-ppc
- config-x86_64
- config-pmmx
config-aarch64
- config-sparc64
config-m68k
- asound-syntax-fix.patch
+ config-pmmx
+ config-ppc
+ config-ppc64
+ config-sparc64
+ config-x86_64
kernel.h
uapi-iphdr.patch
- therm_windtunnel.patch
- windfarm.patch
- windfarm_pm112.patch
"
builddir="$srcdir/linux-${_pkgminver}"
@@ -136,17 +132,13 @@ src() {
}
sha512sums="9f60f77e8ab972b9438ac648bed17551c8491d6585a5e85f694b2eaa4c623fbc61eb18419b2656b6795eac5deec0edaa04547fc6723fbda52256bd7f3486898f linux-5.4.tar.xz
-37c85fcec3bd54d586523f74cfb56db6158152cfbb407469f0da12b24e5de01cbe273ad4e59d41df75011c163922dadf2fe5e919cb6b16f74872e80c28bba1b1 linux-5.4-mc0-patches.tar.xz
-dcf8bc3638b3234df3d66f5b804938113e859ffd1df4c7b689f476ea5d9c43d5df9c58dbb8b4def61e8f720554d9d11db6d6065ed5ded7482d5bb088d838f23e config-ppc64
-20834051bba37b1035dfed97431f36bb8ca973077a33d8186b0968d0d90c74573ad63a39b879437bc8231acc3a8a3b405c2b845b910c03ca4a5fbc65243addb6 config-ppc
-a71f8446cc483c9e571b8793d6de92a15f9752cc85a0199fa0a62baa6da3ddb90e1e8354132789496074e4bb337706e56bf52e4cb331b33eb990c3a68eceba87 config-x86_64
+e6a7a5933dbe638be42a1308fd64895e53fe38be1238016a560985127106356570e6ea6ba94e6fbfb5924e24728232487c91ff1affcc79af1d724b8c813f5036 linux-5.4-mc1-patches.tar.xz
+d0493196ecbb92d3cb76411a89d7a7bdb445eb7dfcbb5a77a7d4abc11bcbf65e248b0eaef2cdf482e93c4aaa4e381a8e9e37979cc3ab7cb23228e5fd8442275a config-aarch64
+581da20b2e0db48fcb29fe97ce6cf5d2e6a7092cbe2fd1b48cbdaddc1bc15d24e2470e56394624ff61b94b6ccf25035d07a18d9cbc4c16ac7f2865913a13c0d8 config-m68k
a096a2dd1f2aa1068800fbddbc1a8b909253f5f2174527691731932a0d57c8262e8ed631a054099dedd1ced0709562f09a81040bbd0f72d1a584151456905ccf config-pmmx
-e5f8f07c588ebbaa53166711b9940aa6d14a72e017df50300f3817c34a1abc2931f191431246d313ba85bc691c97f5094e01460ed98f4dbcd6e4780eefec10bc config-aarch64
+20834051bba37b1035dfed97431f36bb8ca973077a33d8186b0968d0d90c74573ad63a39b879437bc8231acc3a8a3b405c2b845b910c03ca4a5fbc65243addb6 config-ppc
+dcf8bc3638b3234df3d66f5b804938113e859ffd1df4c7b689f476ea5d9c43d5df9c58dbb8b4def61e8f720554d9d11db6d6065ed5ded7482d5bb088d838f23e config-ppc64
4527b7951620953e83e824c41e2dbc5c49e92f13709500fd849813dc157897da33d177b901ce1304b317a51a7c19a561a891a02e463f98236ff9e6957131d65a config-sparc64
-581da20b2e0db48fcb29fe97ce6cf5d2e6a7092cbe2fd1b48cbdaddc1bc15d24e2470e56394624ff61b94b6ccf25035d07a18d9cbc4c16ac7f2865913a13c0d8 config-m68k
-4b2cd7dd0010aaec617c756e7587be7fad6ff0ab3dbc1ed038e3dc72c9308fc9e347c6e5296c30711d914e286aa254600586e2ad954a5da226e6e4c1522b75b5 asound-syntax-fix.patch
+a71f8446cc483c9e571b8793d6de92a15f9752cc85a0199fa0a62baa6da3ddb90e1e8354132789496074e4bb337706e56bf52e4cb331b33eb990c3a68eceba87 config-x86_64
61dcd633d72876566b7738dd08856b26850c935b4a81ab2364711335fe01c397083160f530b3382bbc239c6a8135be6a032e93039083ec2cefdae2902429a2e0 kernel.h
-6f309a18c65c991240265afd200cc79a706f5d9e5d072838a9a641ab3676a5e4c32033f9767fc723ff4c45ee462169a0f77bd7dfe63b547d521dadd073f827a7 uapi-iphdr.patch
-33d1565228bfeed362f9ebf3a4a260469902d96002e7805516f705fafd7a488dfbe7683d911f6cb3e5293d02af026fb8fe593c058b6361457d7333323b3eabe7 therm_windtunnel.patch
-b83ed1db626211b38c2308902306ccb4f2e215f1d82356a0fe3798e227239586817ef341b5298e227cbf436ef3c19af80eb449cbd98c373f1de5dd461a1fdb4b windfarm.patch
-e5667717e988d28b8450ffd06d6402212c26da992c2e8aa041f37e21cc3c1fbf54712a8216ebd3ef8ae59ac48c8ecdde5596a8c25028338f782b615c4a6c232c windfarm_pm112.patch"
+6f309a18c65c991240265afd200cc79a706f5d9e5d072838a9a641ab3676a5e4c32033f9767fc723ff4c45ee462169a0f77bd7dfe63b547d521dadd073f827a7 uapi-iphdr.patch"
diff --git a/system/easy-kernel/asound-syntax-fix.patch b/system/easy-kernel/asound-syntax-fix.patch
deleted file mode 100644
index 682afb296..000000000
--- a/system/easy-kernel/asound-syntax-fix.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- linux-5.4/include/uapi/sound/asound.h.old 2019-12-28 10:44:33.650684482 +0000
-+++ linux-5.4/include/uapi/sound/asound.h 2019-12-28 10:45:28.854780162 +0000
-@@ -471,7 +471,7 @@
-
- #ifndef __KERNEL__
- /* explicit padding avoids incompatibility between i386 and x86-64 */
--typedef struct { unsigned char pad[sizeof(time_t) - sizeof(int)] __time_pad;
-+typedef struct { unsigned char pad[sizeof(time_t) - sizeof(int)] } __time_pad;
-
- struct snd_pcm_status {
- snd_pcm_state_t state; /* stream state */
diff --git a/system/easy-kernel/config-aarch64 b/system/easy-kernel/config-aarch64
index 9241599cd..addafaddd 100644
--- a/system/easy-kernel/config-aarch64
+++ b/system/easy-kernel/config-aarch64
@@ -324,6 +324,7 @@ CONFIG_ARM64_ERRATUM_1418040=y
CONFIG_ARM64_ERRATUM_1165522=y
CONFIG_ARM64_ERRATUM_1286807=y
CONFIG_ARM64_ERRATUM_1463225=y
+CONFIG_ARM64_ERRATUM_1542419=y
CONFIG_CAVIUM_ERRATUM_22375=y
CONFIG_CAVIUM_ERRATUM_23144=y
CONFIG_CAVIUM_ERRATUM_23154=y
diff --git a/system/easy-kernel/therm_windtunnel.patch b/system/easy-kernel/therm_windtunnel.patch
deleted file mode 100644
index 5cfb92d7f..000000000
--- a/system/easy-kernel/therm_windtunnel.patch
+++ /dev/null
@@ -1,136 +0,0 @@
-From 176cacef0119a441af14ccdfa125461635a1054d Mon Sep 17 00:00:00 2001
-From: Wolfram Sang <wsa@the-dreams.de>
-Date: Tue, 25 Feb 2020 15:12:29 +0100
-Subject: [PATCH] macintosh: therm_windtunnel: fix regression when
- instantiating devices
-
-commit 38b17afb0ebb9ecd41418d3c08bcf9198af4349d upstream.
-
-Removing attach_adapter from this driver caused a regression for at
-least some machines. Those machines had the sensors described in their
-DT, too, so they didn't need manual creation of the sensor devices. The
-old code worked, though, because manual creation came first. Creation of
-DT devices then failed later and caused error logs, but the sensors
-worked nonetheless because of the manually created devices.
-
-When removing attach_adaper, manual creation now comes later and loses
-the race. The sensor devices were already registered via DT, yet with
-another binding, so the driver could not be bound to it.
-
-This fix refactors the code to remove the race and only manually creates
-devices if there are no DT nodes present. Also, the DT binding is updated
-to match both, the DT and manually created devices. Because we don't
-know which device creation will be used at runtime, the code to start
-the kthread is moved to do_probe() which will be called by both methods.
-
-Fixes: 3e7bed52719d ("macintosh: therm_windtunnel: drop using attach_adapter")
-Link: https://bugzilla.kernel.org/show_bug.cgi?id=201723
-Reported-by: Erhard Furtner <erhard_f@mailbox.org>
-Tested-by: Erhard Furtner <erhard_f@mailbox.org>
-Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
-Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-Cc: stable@kernel.org # v4.19+
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/macintosh/therm_windtunnel.c | 52 +++++++++++++++++-----------
- 1 file changed, 31 insertions(+), 21 deletions(-)
-
-diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
-index 8c744578122a..a0d87ed9da69 100644
---- a/drivers/macintosh/therm_windtunnel.c
-+++ b/drivers/macintosh/therm_windtunnel.c
-@@ -300,9 +300,11 @@ static int control_loop(void *dummy)
- /* i2c probing and setup */
- /************************************************************************/
-
--static int
--do_attach( struct i2c_adapter *adapter )
-+static void do_attach(struct i2c_adapter *adapter)
- {
-+ struct i2c_board_info info = { };
-+ struct device_node *np;
-+
- /* scan 0x48-0x4f (DS1775) and 0x2c-2x2f (ADM1030) */
- static const unsigned short scan_ds1775[] = {
- 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
-@@ -313,25 +315,24 @@ do_attach( struct i2c_adapter *adapter )
- I2C_CLIENT_END
- };
-
-- if( strncmp(adapter->name, "uni-n", 5) )
-- return 0;
--
-- if( !x.running ) {
-- struct i2c_board_info info;
-+ if (x.running || strncmp(adapter->name, "uni-n", 5))
-+ return;
-
-- memset(&info, 0, sizeof(struct i2c_board_info));
-- strlcpy(info.type, "therm_ds1775", I2C_NAME_SIZE);
-+ np = of_find_compatible_node(adapter->dev.of_node, NULL, "MAC,ds1775");
-+ if (np) {
-+ of_node_put(np);
-+ } else {
-+ strlcpy(info.type, "MAC,ds1775", I2C_NAME_SIZE);
- i2c_new_probed_device(adapter, &info, scan_ds1775, NULL);
-+ }
-
-- strlcpy(info.type, "therm_adm1030", I2C_NAME_SIZE);
-+ np = of_find_compatible_node(adapter->dev.of_node, NULL, "MAC,adm1030");
-+ if (np) {
-+ of_node_put(np);
-+ } else {
-+ strlcpy(info.type, "MAC,adm1030", I2C_NAME_SIZE);
- i2c_new_probed_device(adapter, &info, scan_adm1030, NULL);
--
-- if( x.thermostat && x.fan ) {
-- x.running = 1;
-- x.poll_task = kthread_run(control_loop, NULL, "g4fand");
-- }
- }
-- return 0;
- }
-
- static int
-@@ -404,8 +405,8 @@ attach_thermostat( struct i2c_client *cl )
- enum chip { ds1775, adm1030 };
-
- static const struct i2c_device_id therm_windtunnel_id[] = {
-- { "therm_ds1775", ds1775 },
-- { "therm_adm1030", adm1030 },
-+ { "MAC,ds1775", ds1775 },
-+ { "MAC,adm1030", adm1030 },
- { }
- };
- MODULE_DEVICE_TABLE(i2c, therm_windtunnel_id);
-@@ -414,6 +415,7 @@ static int
- do_probe(struct i2c_client *cl, const struct i2c_device_id *id)
- {
- struct i2c_adapter *adapter = cl->adapter;
-+ int ret = 0;
-
- if( !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA
- | I2C_FUNC_SMBUS_WRITE_BYTE) )
-@@ -421,11 +423,19 @@ do_probe(struct i2c_client *cl, const struct i2c_device_id *id)
-
- switch (id->driver_data) {
- case adm1030:
-- return attach_fan( cl );
-+ ret = attach_fan(cl);
-+ break;
- case ds1775:
-- return attach_thermostat(cl);
-+ ret = attach_thermostat(cl);
-+ break;
- }
-- return 0;
-+
-+ if (!x.running && x.thermostat && x.fan) {
-+ x.running = 1;
-+ x.poll_task = kthread_run(control_loop, NULL, "g4fand");
-+ }
-+
-+ return ret;
- }
-
- static struct i2c_driver g4fan_driver = {
diff --git a/system/easy-kernel/windfarm.patch b/system/easy-kernel/windfarm.patch
deleted file mode 100644
index bad7fe159..000000000
--- a/system/easy-kernel/windfarm.patch
+++ /dev/null
@@ -1,182 +0,0 @@
-From f19bbb24a1082b2790eb113fcc5cd55fca340f49 Mon Sep 17 00:00:00 2001
-From: Wolfram Sang <wsa@the-dreams.de>
-Date: Tue, 3 Mar 2020 13:50:46 +0100
-Subject: [PATCH] macintosh: windfarm: fix MODINFO regression
-
-commit bcf3588d8ed3517e6ffaf083f034812aee9dc8e2 upstream.
-
-Commit af503716ac14 made sure OF devices get an OF style modalias with
-I2C events. It assumed all in-tree users were converted, yet it missed
-some Macintosh drivers.
-
-Add an OF module device table for all windfarm drivers to make them
-automatically load again.
-
-Fixes: af503716ac14 ("i2c: core: report OF style module alias for devices registered via OF")
-Link: https://bugzilla.kernel.org/show_bug.cgi?id=199471
-Reported-by: Erhard Furtner <erhard_f@mailbox.org>
-Tested-by: Erhard Furtner <erhard_f@mailbox.org>
-Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
-Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-Cc: stable@kernel.org # v4.17+
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/macintosh/windfarm_ad7417_sensor.c | 7 +++++++
- drivers/macintosh/windfarm_fcu_controls.c | 7 +++++++
- drivers/macintosh/windfarm_lm75_sensor.c | 16 +++++++++++++++-
- drivers/macintosh/windfarm_lm87_sensor.c | 7 +++++++
- drivers/macintosh/windfarm_max6690_sensor.c | 7 +++++++
- drivers/macintosh/windfarm_smu_sat.c | 7 +++++++
- 6 files changed, 50 insertions(+), 1 deletion(-)
-
-diff --git a/drivers/macintosh/windfarm_ad7417_sensor.c b/drivers/macintosh/windfarm_ad7417_sensor.c
-index 125605987b44..e7dec328c7cf 100644
---- a/drivers/macintosh/windfarm_ad7417_sensor.c
-+++ b/drivers/macintosh/windfarm_ad7417_sensor.c
-@@ -312,9 +312,16 @@ static const struct i2c_device_id wf_ad7417_id[] = {
- };
- MODULE_DEVICE_TABLE(i2c, wf_ad7417_id);
-
-+static const struct of_device_id wf_ad7417_of_id[] = {
-+ { .compatible = "ad7417", },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(of, wf_ad7417_of_id);
-+
- static struct i2c_driver wf_ad7417_driver = {
- .driver = {
- .name = "wf_ad7417",
-+ .of_match_table = wf_ad7417_of_id,
- },
- .probe = wf_ad7417_probe,
- .remove = wf_ad7417_remove,
-diff --git a/drivers/macintosh/windfarm_fcu_controls.c b/drivers/macintosh/windfarm_fcu_controls.c
-index 3c971297b6dc..89b48e8ac6ef 100644
---- a/drivers/macintosh/windfarm_fcu_controls.c
-+++ b/drivers/macintosh/windfarm_fcu_controls.c
-@@ -582,9 +582,16 @@ static const struct i2c_device_id wf_fcu_id[] = {
- };
- MODULE_DEVICE_TABLE(i2c, wf_fcu_id);
-
-+static const struct of_device_id wf_fcu_of_id[] = {
-+ { .compatible = "fcu", },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(of, wf_fcu_of_id);
-+
- static struct i2c_driver wf_fcu_driver = {
- .driver = {
- .name = "wf_fcu",
-+ .of_match_table = wf_fcu_of_id,
- },
- .probe = wf_fcu_probe,
- .remove = wf_fcu_remove,
-diff --git a/drivers/macintosh/windfarm_lm75_sensor.c b/drivers/macintosh/windfarm_lm75_sensor.c
-index 282c28a17ea1..1e5fa09845e7 100644
---- a/drivers/macintosh/windfarm_lm75_sensor.c
-+++ b/drivers/macintosh/windfarm_lm75_sensor.c
-@@ -14,6 +14,7 @@
- #include <linux/init.h>
- #include <linux/wait.h>
- #include <linux/i2c.h>
-+#include <linux/of_device.h>
- #include <asm/prom.h>
- #include <asm/machdep.h>
- #include <asm/io.h>
-@@ -91,9 +92,14 @@ static int wf_lm75_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
- {
- struct wf_lm75_sensor *lm;
-- int rc, ds1775 = id->driver_data;
-+ int rc, ds1775;
- const char *name, *loc;
-
-+ if (id)
-+ ds1775 = id->driver_data;
-+ else
-+ ds1775 = !!of_device_get_match_data(&client->dev);
-+
- DBG("wf_lm75: creating %s device at address 0x%02x\n",
- ds1775 ? "ds1775" : "lm75", client->addr);
-
-@@ -164,9 +170,17 @@ static const struct i2c_device_id wf_lm75_id[] = {
- };
- MODULE_DEVICE_TABLE(i2c, wf_lm75_id);
-
-+static const struct of_device_id wf_lm75_of_id[] = {
-+ { .compatible = "lm75", .data = (void *)0},
-+ { .compatible = "ds1775", .data = (void *)1 },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(of, wf_lm75_of_id);
-+
- static struct i2c_driver wf_lm75_driver = {
- .driver = {
- .name = "wf_lm75",
-+ .of_match_table = wf_lm75_of_id,
- },
- .probe = wf_lm75_probe,
- .remove = wf_lm75_remove,
-diff --git a/drivers/macintosh/windfarm_lm87_sensor.c b/drivers/macintosh/windfarm_lm87_sensor.c
-index e44525b19071..1a1f8f3f0abc 100644
---- a/drivers/macintosh/windfarm_lm87_sensor.c
-+++ b/drivers/macintosh/windfarm_lm87_sensor.c
-@@ -166,9 +166,16 @@ static const struct i2c_device_id wf_lm87_id[] = {
- };
- MODULE_DEVICE_TABLE(i2c, wf_lm87_id);
-
-+static const struct of_device_id wf_lm87_of_id[] = {
-+ { .compatible = "lm87cimt", },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(of, wf_lm87_of_id);
-+
- static struct i2c_driver wf_lm87_driver = {
- .driver = {
- .name = "wf_lm87",
-+ .of_match_table = wf_lm87_of_id,
- },
- .probe = wf_lm87_probe,
- .remove = wf_lm87_remove,
-diff --git a/drivers/macintosh/windfarm_max6690_sensor.c b/drivers/macintosh/windfarm_max6690_sensor.c
-index e666cc020683..1e7b03d44ad9 100644
---- a/drivers/macintosh/windfarm_max6690_sensor.c
-+++ b/drivers/macintosh/windfarm_max6690_sensor.c
-@@ -120,9 +120,16 @@ static const struct i2c_device_id wf_max6690_id[] = {
- };
- MODULE_DEVICE_TABLE(i2c, wf_max6690_id);
-
-+static const struct of_device_id wf_max6690_of_id[] = {
-+ { .compatible = "max6690", },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(of, wf_max6690_of_id);
-+
- static struct i2c_driver wf_max6690_driver = {
- .driver = {
- .name = "wf_max6690",
-+ .of_match_table = wf_max6690_of_id,
- },
- .probe = wf_max6690_probe,
- .remove = wf_max6690_remove,
-diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c
-index c84ec49c3741..cb75dc035616 100644
---- a/drivers/macintosh/windfarm_smu_sat.c
-+++ b/drivers/macintosh/windfarm_smu_sat.c
-@@ -341,9 +341,16 @@ static const struct i2c_device_id wf_sat_id[] = {
- };
- MODULE_DEVICE_TABLE(i2c, wf_sat_id);
-
-+static const struct of_device_id wf_sat_of_id[] = {
-+ { .compatible = "smu-sat", },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(of, wf_sat_of_id);
-+
- static struct i2c_driver wf_sat_driver = {
- .driver = {
- .name = "wf_smu_sat",
-+ .of_match_table = wf_sat_of_id,
- },
- .probe = wf_sat_probe,
- .remove = wf_sat_remove,
diff --git a/system/easy-kernel/windfarm_pm112.patch b/system/easy-kernel/windfarm_pm112.patch
deleted file mode 100644
index 2b8e8a3ec..000000000
--- a/system/easy-kernel/windfarm_pm112.patch
+++ /dev/null
@@ -1,99 +0,0 @@
-From c6077abc067fb6bf57a2b1acffd918b1b9211047 Mon Sep 17 00:00:00 2001
-From: Michael Ellerman <mpe@ellerman.id.au>
-Date: Thu, 23 Apr 2020 16:00:38 +1000
-Subject: [PATCH] drivers/macintosh: Fix memleak in windfarm_pm112 driver
-
-commit 93900337b9ac2f4eca427eff6d187be2dc3b5551 upstream.
-
-create_cpu_loop() calls smu_sat_get_sdb_partition() which does
-kmalloc() and returns the allocated buffer. In fact it's called twice,
-and neither buffer is freed.
-
-This results in a memory leak as reported by Erhard:
- unreferenced object 0xc00000047081f840 (size 32):
- comm "kwindfarm", pid 203, jiffies 4294880630 (age 5552.877s)
- hex dump (first 32 bytes):
- c8 06 02 7f ff 02 ff 01 fb bf 00 41 00 20 00 00 ...........A. ..
- 00 07 89 37 00 a0 00 00 00 00 00 00 00 00 00 00 ...7............
- backtrace:
- [<0000000083f0a65c>] .smu_sat_get_sdb_partition+0xc4/0x2d0 [windfarm_smu_sat]
- [<000000003010fcb7>] .pm112_wf_notify+0x104c/0x13bc [windfarm_pm112]
- [<00000000b958b2dd>] .notifier_call_chain+0xa8/0x180
- [<0000000070490868>] .blocking_notifier_call_chain+0x64/0x90
- [<00000000131d8149>] .wf_thread_func+0x114/0x1a0
- [<000000000d54838d>] .kthread+0x13c/0x190
- [<00000000669b72bc>] .ret_from_kernel_thread+0x58/0x64
- unreferenced object 0xc0000004737089f0 (size 16):
- comm "kwindfarm", pid 203, jiffies 4294880879 (age 5552.050s)
- hex dump (first 16 bytes):
- c4 04 01 7f 22 11 e0 e6 ff 55 7b 12 ec 11 00 00 ...."....U{.....
- backtrace:
- [<0000000083f0a65c>] .smu_sat_get_sdb_partition+0xc4/0x2d0 [windfarm_smu_sat]
- [<00000000b94ef7e1>] .pm112_wf_notify+0x1294/0x13bc [windfarm_pm112]
- [<00000000b958b2dd>] .notifier_call_chain+0xa8/0x180
- [<0000000070490868>] .blocking_notifier_call_chain+0x64/0x90
- [<00000000131d8149>] .wf_thread_func+0x114/0x1a0
- [<000000000d54838d>] .kthread+0x13c/0x190
- [<00000000669b72bc>] .ret_from_kernel_thread+0x58/0x64
-
-Fix it by rearranging the logic so we deal with each buffer
-separately, which then makes it easy to free the buffer once we're
-done with it.
-
-Fixes: ac171c46667c ("[PATCH] powerpc: Thermal control for dual core G5s")
-Cc: stable@vger.kernel.org # v2.6.16+
-Reported-by: Erhard F. <erhard_f@mailbox.org>
-Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-Tested-by: Erhard F. <erhard_f@mailbox.org>
-Link: https://lore.kernel.org/r/20200423060038.3308530-1-mpe@ellerman.id.au
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/macintosh/windfarm_pm112.c | 21 +++++++++++++--------
- 1 file changed, 13 insertions(+), 8 deletions(-)
-
-diff --git a/drivers/macintosh/windfarm_pm112.c b/drivers/macintosh/windfarm_pm112.c
-index 4150301a89a5..e8377ce0a95a 100644
---- a/drivers/macintosh/windfarm_pm112.c
-+++ b/drivers/macintosh/windfarm_pm112.c
-@@ -132,14 +132,6 @@ static int create_cpu_loop(int cpu)
- s32 tmax;
- int fmin;
-
-- /* Get PID params from the appropriate SAT */
-- hdr = smu_sat_get_sdb_partition(chip, 0xC8 + core, NULL);
-- if (hdr == NULL) {
-- printk(KERN_WARNING"windfarm: can't get CPU PID fan config\n");
-- return -EINVAL;
-- }
-- piddata = (struct smu_sdbp_cpupiddata *)&hdr[1];
--
- /* Get FVT params to get Tmax; if not found, assume default */
- hdr = smu_sat_get_sdb_partition(chip, 0xC4 + core, NULL);
- if (hdr) {
-@@ -152,6 +144,16 @@ static int create_cpu_loop(int cpu)
- if (tmax < cpu_all_tmax)
- cpu_all_tmax = tmax;
-
-+ kfree(hdr);
-+
-+ /* Get PID params from the appropriate SAT */
-+ hdr = smu_sat_get_sdb_partition(chip, 0xC8 + core, NULL);
-+ if (hdr == NULL) {
-+ printk(KERN_WARNING"windfarm: can't get CPU PID fan config\n");
-+ return -EINVAL;
-+ }
-+ piddata = (struct smu_sdbp_cpupiddata *)&hdr[1];
-+
- /*
- * Darwin has a minimum fan speed of 1000 rpm for the 4-way and
- * 515 for the 2-way. That appears to be overkill, so for now,
-@@ -174,6 +176,9 @@ static int create_cpu_loop(int cpu)
- pid.min = fmin;
-
- wf_cpu_pid_init(&cpu_pid[cpu], &pid);
-+
-+ kfree(hdr);
-+
- return 0;
- }
-