diff options
| -rw-r--r-- | ARM-OMAP4-Fix-crashes.patch | 46 | ||||
| -rw-r--r-- | arm-revert-mmc-omap_hsmmc-Use-dma_request_chan-for-reque.patch | 100 | ||||
| -rw-r--r-- | arm64-mm-Fix-memmap-to-be-initialized-for-the-entire-section.patch | 93 | ||||
| -rw-r--r-- | kernel.spec | 12 |
4 files changed, 251 insertions, 0 deletions
diff --git a/ARM-OMAP4-Fix-crashes.patch b/ARM-OMAP4-Fix-crashes.patch new file mode 100644 index 000000000..5a4a257e1 --- /dev/null +++ b/ARM-OMAP4-Fix-crashes.patch @@ -0,0 +1,46 @@ +From patchwork Wed Oct 26 15:17:01 2016 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [3/5] ARM: OMAP4+: Fix bad fallthrough for cpuidle +From: Tony Lindgren <tony@atomide.com> +X-Patchwork-Id: 9397501 +Message-Id: <20161026151703.24730-4-tony@atomide.com> +To: linux-omap@vger.kernel.org +Cc: Nishanth Menon <nm@ti.com>, Dmitry Lifshitz <lifshitz@compulab.co.il>, + Dave Gerlach <d-gerlach@ti.com>, + Enric Balletbo Serra <eballetbo@gmail.com>, + "Dr . H . Nikolaus Schaller" <hns@goldelico.com>, + Pau Pajuel <ppajuel@gmail.com>, Grazvydas Ignotas <notasas@gmail.com>, + Benoit Cousson <bcousson@baylibre.com>, + Santosh Shilimkar <ssantosh@kernel.org>, + Javier Martinez Canillas <javier@dowhile0.org>, + Robert Nelson <robertcnelson@gmail.com>, + Marek Belisko <marek@goldelico.com>, linux-arm-kernel@lists.infradead.org +Date: Wed, 26 Oct 2016 08:17:01 -0700 + +We don't want to fall through to a bunch of errors for retention +if PM_OMAP4_CPU_OSWR_DISABLE is not configured for a SoC. + +Fixes: 6099dd37c669 ("ARM: OMAP5 / DRA7: Enable CPU RET on suspend") +Signed-off-by: Tony Lindgren <tony@atomide.com> +--- + arch/arm/mach-omap2/omap-mpuss-lowpower.c | 5 ++--- + 1 file changed, 2 insertions(+), 3 deletions(-) + +diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c +--- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c ++++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c +@@ -244,10 +244,9 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state) + save_state = 1; + break; + case PWRDM_POWER_RET: +- if (IS_PM44XX_ERRATUM(PM_OMAP4_CPU_OSWR_DISABLE)) { ++ if (IS_PM44XX_ERRATUM(PM_OMAP4_CPU_OSWR_DISABLE)) + save_state = 0; +- break; +- } ++ break; + default: + /* + * CPUx CSWR is invalid hardware state. Also CPUx OSWR diff --git a/arm-revert-mmc-omap_hsmmc-Use-dma_request_chan-for-reque.patch b/arm-revert-mmc-omap_hsmmc-Use-dma_request_chan-for-reque.patch new file mode 100644 index 000000000..b55dec0cb --- /dev/null +++ b/arm-revert-mmc-omap_hsmmc-Use-dma_request_chan-for-reque.patch @@ -0,0 +1,100 @@ +From bb3e08008c0e48fd4f51a0f0957eecae61a24d69 Mon Sep 17 00:00:00 2001 +From: Peter Robinson <pbrobinson@gmail.com> +Date: Tue, 1 Nov 2016 09:35:30 +0000 +Subject: [PATCH] Revert "mmc: omap_hsmmc: Use dma_request_chan() for + requesting DMA channel" + +This reverts commit 81eef6ca92014845d40e3f1310e42b7010303acc. +--- + drivers/mmc/host/omap_hsmmc.c | 50 ++++++++++++++++++++++++++++++++++--------- + 1 file changed, 40 insertions(+), 10 deletions(-) + +diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c +index 24ebc9a..3563321 100644 +--- a/drivers/mmc/host/omap_hsmmc.c ++++ b/drivers/mmc/host/omap_hsmmc.c +@@ -32,6 +32,7 @@ + #include <linux/of_irq.h> + #include <linux/of_gpio.h> + #include <linux/of_device.h> ++#include <linux/omap-dmaengine.h> + #include <linux/mmc/host.h> + #include <linux/mmc/core.h> + #include <linux/mmc/mmc.h> +@@ -1992,6 +1993,8 @@ static int omap_hsmmc_probe(struct platform_device *pdev) + struct resource *res; + int ret, irq; + const struct of_device_id *match; ++ dma_cap_mask_t mask; ++ unsigned tx_req, rx_req; + const struct omap_mmc_of_data *data; + void __iomem *base; + +@@ -2121,17 +2124,44 @@ static int omap_hsmmc_probe(struct platform_device *pdev) + + omap_hsmmc_conf_bus_power(host); + +- host->rx_chan = dma_request_chan(&pdev->dev, "rx"); +- if (IS_ERR(host->rx_chan)) { +- dev_err(mmc_dev(host->mmc), "RX DMA channel request failed\n"); +- ret = PTR_ERR(host->rx_chan); ++ if (!pdev->dev.of_node) { ++ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx"); ++ if (!res) { ++ dev_err(mmc_dev(host->mmc), "cannot get DMA TX channel\n"); ++ ret = -ENXIO; ++ goto err_irq; ++ } ++ tx_req = res->start; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx"); ++ if (!res) { ++ dev_err(mmc_dev(host->mmc), "cannot get DMA RX channel\n"); ++ ret = -ENXIO; ++ goto err_irq; ++ } ++ rx_req = res->start; ++ } ++ ++ dma_cap_zero(mask); ++ dma_cap_set(DMA_SLAVE, mask); ++ ++ host->rx_chan = ++ dma_request_slave_channel_compat(mask, omap_dma_filter_fn, ++ &rx_req, &pdev->dev, "rx"); ++ ++ if (!host->rx_chan) { ++ dev_err(mmc_dev(host->mmc), "unable to obtain RX DMA engine channel\n"); ++ ret = -ENXIO; + goto err_irq; + } + +- host->tx_chan = dma_request_chan(&pdev->dev, "tx"); +- if (IS_ERR(host->tx_chan)) { +- dev_err(mmc_dev(host->mmc), "TX DMA channel request failed\n"); +- ret = PTR_ERR(host->tx_chan); ++ host->tx_chan = ++ dma_request_slave_channel_compat(mask, omap_dma_filter_fn, ++ &tx_req, &pdev->dev, "tx"); ++ ++ if (!host->tx_chan) { ++ dev_err(mmc_dev(host->mmc), "unable to obtain TX DMA engine channel\n"); ++ ret = -ENXIO; + goto err_irq; + } + +@@ -2189,9 +2219,9 @@ err_slot_name: + mmc_remove_host(mmc); + err_irq: + device_init_wakeup(&pdev->dev, false); +- if (!IS_ERR_OR_NULL(host->tx_chan)) ++ if (host->tx_chan) + dma_release_channel(host->tx_chan); +- if (!IS_ERR_OR_NULL(host->rx_chan)) ++ if (host->rx_chan) + dma_release_channel(host->rx_chan); + pm_runtime_dont_use_autosuspend(host->dev); + pm_runtime_put_sync(host->dev); +-- +2.9.3 + diff --git a/arm64-mm-Fix-memmap-to-be-initialized-for-the-entire-section.patch b/arm64-mm-Fix-memmap-to-be-initialized-for-the-entire-section.patch new file mode 100644 index 000000000..eaf809d53 --- /dev/null +++ b/arm64-mm-Fix-memmap-to-be-initialized-for-the-entire-section.patch @@ -0,0 +1,93 @@ +From patchwork Thu Oct 6 09:52:07 2016 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: arm64: mm: Fix memmap to be initialized for the entire section +From: Robert Richter <rrichter@cavium.com> +X-Patchwork-Id: 9364537 +Message-Id: <1475747527-32387-1-git-send-email-rrichter@cavium.com> +To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon + <will.deacon@arm.com> +Cc: Mark Rutland <mark.rutland@arm.com>, linux-efi@vger.kernel.org, + David Daney <david.daney@cavium.com>, + Ard Biesheuvel <ard.biesheuvel@linaro.org>, + linux-kernel@vger.kernel.org, Robert Richter <rrichter@cavium.com>, + Hanjun Guo <hanjun.guo@linaro.org>, linux-arm-kernel@lists.infradead.org +Date: Thu, 6 Oct 2016 11:52:07 +0200 + +There is a memory setup problem on ThunderX systems with certain +memory configurations. The symptom is + + kernel BUG at mm/page_alloc.c:1848! + +This happens for some configs with 64k page size enabled. The bug +triggers for page zones with some pages in the zone not assigned to +this particular zone. In my case some pages that are marked as nomap +were not reassigned to the new zone of node 1, so those are still +assigned to node 0. + +The reason for the mis-configuration is a change in pfn_valid() which +reports pages marked nomap as invalid: + + 68709f45385a arm64: only consider memblocks with NOMAP cleared for linear mapping + +This causes pages marked as nomap being no long reassigned to the new +zone in memmap_init_zone() by calling __init_single_pfn(). + +Fixing this by restoring the old behavior of pfn_valid() to use +memblock_is_memory(). Also changing users of pfn_valid() in arm64 code +to use memblock_is_map_memory() where necessary. This only affects +code in ioremap.c. The code in mmu.c still can use the new version of +pfn_valid(). + +Should be marked stable v4.5.. + +Signed-off-by: Robert Richter <rrichter@cavium.com> +--- + arch/arm64/mm/init.c | 2 +- + arch/arm64/mm/ioremap.c | 5 +++-- + 2 files changed, 4 insertions(+), 3 deletions(-) + +diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c +index bbb7ee76e319..25b8659c2a9f 100644 +--- a/arch/arm64/mm/init.c ++++ b/arch/arm64/mm/init.c +@@ -147,7 +147,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max) + #ifdef CONFIG_HAVE_ARCH_PFN_VALID + int pfn_valid(unsigned long pfn) + { +- return memblock_is_map_memory(pfn << PAGE_SHIFT); ++ return memblock_is_memory(pfn << PAGE_SHIFT); + } + EXPORT_SYMBOL(pfn_valid); + #endif +diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c +index 01e88c8bcab0..c17c220b0c48 100644 +--- a/arch/arm64/mm/ioremap.c ++++ b/arch/arm64/mm/ioremap.c +@@ -21,6 +21,7 @@ + */ + + #include <linux/export.h> ++#include <linux/memblock.h> + #include <linux/mm.h> + #include <linux/vmalloc.h> + #include <linux/io.h> +@@ -55,7 +56,7 @@ static void __iomem *__ioremap_caller(phys_addr_t phys_addr, size_t size, + /* + * Don't allow RAM to be mapped. + */ +- if (WARN_ON(pfn_valid(__phys_to_pfn(phys_addr)))) ++ if (WARN_ON(memblock_is_map_memory(phys_addr))) + return NULL; + + area = get_vm_area_caller(size, VM_IOREMAP, caller); +@@ -96,7 +97,7 @@ EXPORT_SYMBOL(__iounmap); + void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size) + { + /* For normal memory we already have a cacheable mapping. */ +- if (pfn_valid(__phys_to_pfn(phys_addr))) ++ if (memblock_is_map_memory(phys_addr)) + return (void __iomem *)__phys_to_virt(phys_addr); + + return __ioremap_caller(phys_addr, size, __pgprot(PROT_NORMAL), diff --git a/kernel.spec b/kernel.spec index e7b96f5f8..245f11204 100644 --- a/kernel.spec +++ b/kernel.spec @@ -510,6 +510,14 @@ Patch425: arm64-pcie-quirks.patch # http://www.spinics.net/lists/linux-tegra/msg26029.html Patch426: usb-phy-tegra-Add-38.4MHz-clock-table-entry.patch +# Fix OMAP4 (pandaboard) +Patch427: arm-revert-mmc-omap_hsmmc-Use-dma_request_chan-for-reque.patch +Patch428: ARM-OMAP4-Fix-crashes.patch + +# Not particularly happy we don't yet have a proper upstream resolution this is the right direction +# https://www.spinics.net/lists/arm-kernel/msg535191.html +Patch429: arm64-mm-Fix-memmap-to-be-initialized-for-the-entire-section.patch + # http://patchwork.ozlabs.org/patch/587554/ Patch430: ARM-tegra-usb-no-reset.patch @@ -2149,6 +2157,10 @@ fi # # %changelog +* Wed Nov 2 2016 Peter Robinson <pbrobinson@fedoraproject.org> +- Some OMAP4 fixes +- ARM64 fix for NUMA + * Tue Nov 01 2016 Laura Abbott <labbott@redhat.com> - 4.9.0-0.rc3.git1.1 - Linux v4.9-rc3-243-g0c183d9 |