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| author | David P <megver83@parabola.nu> | 2020-02-06 21:03:29 -0300 |
|---|---|---|
| committer | David P <megver83@parabola.nu> | 2020-02-06 21:03:29 -0300 |
| commit | 29d32123c6ac5c01ba2337aa003633e620d77b23 (patch) | |
| tree | e98245a0178274795af2f1999c4bda001b56374a /libre/linux-libre/0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch | |
| parent | 6c745de26d8c7ba2fb4451a6c6da77000e7f30a1 (diff) | |
| download | abslibre-29d32123c6ac5c01ba2337aa003633e620d77b23.tar.gz abslibre-29d32123c6ac5c01ba2337aa003633e620d77b23.tar.bz2 abslibre-29d32123c6ac5c01ba2337aa003633e620d77b23.zip | |
updpkg: libre/linux-libre 5.5.1-1
Signed-off-by: David P <megver83@parabola.nu>
Diffstat (limited to 'libre/linux-libre/0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch')
| -rw-r--r-- | libre/linux-libre/0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/libre/linux-libre/0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch b/libre/linux-libre/0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch deleted file mode 100644 index 6cc8e24d4..000000000 --- a/libre/linux-libre/0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch +++ /dev/null @@ -1,48 +0,0 @@ -From 3f0415751d3c1456d314a46d9f28053c8c2a7afa Mon Sep 17 00:00:00 2001 -From: Tuowen Zhao <ztuowen@gmail.com> -Date: Wed, 16 Oct 2019 15:06:29 -0600 -Subject: [PATCH 03/14] 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 - |