diff options
| author | graysky | 2020-02-04 17:19:21 -0500 |
|---|---|---|
| committer | graysky | 2020-02-04 17:19:21 -0500 |
| commit | 8fca074632313e5b46bc017a979b301606512edb (patch) | |
| tree | fd624edfd45824ac31c45d8a4bcd5caf1ce4f818 /0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch | |
| parent | 41ba3d2fb0a6c25415bd4131869af76bee19e9fd (diff) | |
| download | aur-8fca074632313e5b46bc017a979b301606512edb.tar.gz | |
Update to 5.5.2-1
Diffstat (limited to '0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch')
| -rw-r--r-- | 0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch b/0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch deleted file mode 100644 index faae68a0cc77..000000000000 --- a/0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch +++ /dev/null @@ -1,48 +0,0 @@ -From c751a20a61358f55933194dbd83e592a730ad0cb Mon Sep 17 00:00:00 2001 -From: Tuowen Zhao <ztuowen@gmail.com> -Date: Wed, 16 Oct 2019 15:06:29 -0600 -Subject: [PATCH 03/15] mfd: intel-lpss: Use devm_ioremap_uc for MMIO - -Some BIOS erroneously specifies write-combining BAR for intel-lpss-pci -in MTRR. This will cause the system to hang during boot. If possible, -this bug could be corrected with a firmware update. - -This patch use devm_ioremap_uc to overwrite/ignore the MTRR settings -by forcing the use of strongly uncachable pages for intel-lpss. - -The BIOS bug is present on Dell XPS 13 7390 2-in-1: - -[ 0.001734] 5 base 4000000000 mask 6000000000 write-combining - -4000000000-7fffffffff : PCI Bus 0000:00 - 4000000000-400fffffff : 0000:00:02.0 (i915) - 4010000000-4010000fff : 0000:00:15.0 (intel-lpss-pci) - -Link: https://bugzilla.kernel.org/show_bug.cgi?id=203485 -Cc: <stable@vger.kernel.org> # v4.19+ -Tested-by: AceLan Kao <acelan.kao@canonical.com> -Signed-off-by: Tuowen Zhao <ztuowen@gmail.com> -Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> -Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> -Tested-by: Roman Gilg <subdiff@gmail.com> -Signed-off-by: Lee Jones <lee.jones@linaro.org> ---- - drivers/mfd/intel-lpss.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c -index bfe4ff337581..b0f0781a6b9c 100644 ---- a/drivers/mfd/intel-lpss.c -+++ b/drivers/mfd/intel-lpss.c -@@ -384,7 +384,7 @@ int intel_lpss_probe(struct device *dev, - if (!lpss) - return -ENOMEM; - -- lpss->priv = devm_ioremap(dev, info->mem->start + LPSS_PRIV_OFFSET, -+ lpss->priv = devm_ioremap_uc(dev, info->mem->start + LPSS_PRIV_OFFSET, - LPSS_PRIV_SIZE); - if (!lpss->priv) - return -ENOMEM; --- -2.25.0 - |