Minor ARM config updates, Add patch for DT DMA issues that affect at least highbank/tegra ARM devices
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Peter Robinson
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046ffa1bba
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43
arm-of-dma.patch
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43
arm-of-dma.patch
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From 7362f04c2888b14c20f8aaa02e1a897025261768 Mon Sep 17 00:00:00 2001
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From: Viresh Kumar <viresh.kumar@linaro.org>
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Date: Fri, 15 Mar 2013 08:48:20 +0000
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Subject: DMA: OF: Check properties value before running be32_to_cpup() on it
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In of_dma_controller_register() routine we are calling of_get_property() as an
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parameter to be32_to_cpup(). In case the property doesn't exist we will get a
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crash.
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This patch changes this code to check if we got a valid property first and then
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runs be32_to_cpup() on it.
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Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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---
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diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c
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index 6036cd0..00db454 100644
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--- a/drivers/dma/of-dma.c
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+++ b/drivers/dma/of-dma.c
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@@ -93,6 +93,7 @@ int of_dma_controller_register(struct device_node *np,
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{
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struct of_dma *ofdma;
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int nbcells;
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+ const __be32 *prop;
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if (!np || !of_dma_xlate) {
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pr_err("%s: not enough information provided\n", __func__);
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@@ -103,8 +104,11 @@ int of_dma_controller_register(struct device_node *np,
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if (!ofdma)
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return -ENOMEM;
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- nbcells = be32_to_cpup(of_get_property(np, "#dma-cells", NULL));
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- if (!nbcells) {
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+ prop = of_get_property(np, "#dma-cells", NULL);
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+ if (prop)
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+ nbcells = be32_to_cpup(prop);
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+
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+ if (!prop || !nbcells) {
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pr_err("%s: #dma-cells property is missing or invalid\n",
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__func__);
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kfree(ofdma);
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--
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cgit v0.9.1
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@ -72,6 +72,7 @@ CONFIG_MVEBU_CLK_CORE=y
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CONFIG_MVEBU_CLK_GATING=y
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CONFIG_MMC_MVSDIO=m
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CONFIG_SPI_ORION=m
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CONFIG_USB_MV_UDC=m
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# omap
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CONFIG_ARCH_OMAP2PLUS_TYPICAL=y
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@ -125,6 +126,7 @@ CONFIG_OMAP_MBOX_KFIFO_SIZE=256
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CONFIG_OMAP_DM_TIMER=y
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CONFIG_OMAP_PM_NOOP=y
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CONFIG_OMAP_IOMMU=y
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CONFIG_OMAP_IOVMM=m
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CONFIG_OMAP3_EMU=y
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# CONFIG_OMAP3_SDRC_AC_TIMING is not set
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CONFIG_ARM_OMAP2PLUS_CPUFREQ=y
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@ -136,6 +138,7 @@ CONFIG_TI_DAVINCI_MDIO=m
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CONFIG_TI_DAVINCI_CPDMA=m
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CONFIG_TI_CPSW=m
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CONFIG_TI_CPTS=y
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CONFIG_TI_EMIF=m
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CONFIG_SERIAL_OMAP=y
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CONFIG_SERIAL_OMAP_CONSOLE=y
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@ -155,12 +158,17 @@ CONFIG_TWL6030_USB=m
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CONFIG_TWL6030_PWM=m
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CONFIG_TWL6040_CORE=y
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CONFIG_CLK_TWL6040=m
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CONFIG_OMAP_INTERCONNECT=m
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# CONFIG_MFD_TPS80031 is not set
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CONFIG_MFD_TI_AM335X_TSCADC=m
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CONFIG_MFD_OMAP_USB_HOST=y
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CONFIG_MTD_ONENAND_OMAP2=m
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CONFIG_HDQ_MASTER_OMAP=m
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CONFIG_REGULATOR_TWL4030=y
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CONFIG_BACKLIGHT_PANDORA=m
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CONFIG_OMAP_OCP2SCP=m
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CONFIG_USB_EHCI_HCD_OMAP=y
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CONFIG_USB_OHCI_HCD_PLATFORM=y
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CONFIG_USB_OHCI_HCD_OMAP3=y
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CONFIG_USB_MUSB_AM35X=m
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CONFIG_USB_MUSB_OMAP2PLUS=m
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@ -473,7 +481,6 @@ CONFIG_REGULATOR_LP8755=m
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# CONFIG_MFD_DA9055 is not set
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# CONFIG_MFD_SMSC is not set
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# CONFIG_MFD_TPS65910 is not set
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# CONFIG_MFD_TPS80031 is not set
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# CONFIG_MFD_AS3711 is not set
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# CONFIG_PMIC_DA903X is not set
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# CONFIG_PMIC_ADP5520 is not set
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@ -112,8 +112,6 @@ CONFIG_HW_PERF_EVENTS=y
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CONFIG_UACCESS_WITH_MEMCPY=y
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CONFIG_CC_STACKPROTECTOR=y
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CONFIG_LOG_BUF_SHIFT=18
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CONFIG_IP_PNP=y
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CONFIG_IP_PNP_DHCP=y
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CONFIG_IP_PNP_BOOTP=y
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@ -219,6 +217,8 @@ CONFIG_GPIO_MAX7301=m
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CONFIG_GPIO_MC33880=m
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CONFIG_GPIO_74X164=m
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CONFIG_GPIO_TPS65912=m
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CONFIG_W1_MASTER_GPIO=m
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CONFIG_CHARGER_GPIO=m
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CONFIG_SPI=y
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CONFIG_SPI_GPIO=m
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@ -340,6 +340,7 @@ CONFIG_SENSORS_LM70=m
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CONFIG_SENSORS_MAX1111=m
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CONFIG_SENSORS_ADS7871=m
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CONFIG_SENSORS_LIS3_SPI=m
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CONFIG_SENSORS_GPIO_FAN=m
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CONFIG_LCD_L4F00242T03=m
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CONFIG_LCD_LMS283GF05=m
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11
kernel.spec
11
kernel.spec
@ -701,12 +701,14 @@ Patch14010: lis3-improve-handling-of-null-rate.patch
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# ARM
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Patch21000: arm-export-read_current_timer.patch
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# https://lists.ozlabs.org/pipermail/devicetree-discuss/2013-March/029029.html
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Patch21001: arm-of-dma.patch
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# lpae
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Patch21001: arm-lpae-ax88796.patch
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Patch21002: arm-lpae-ax88796.patch
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# ARM omap
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Patch21002: arm-omap-ehci-fix.patch
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Patch21003: arm-omap-ehci-fix.patch
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# ARM tegra
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Patch21005: arm-tegra-usb-no-reset-linux33.patch
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@ -1307,6 +1309,7 @@ ApplyPatch debug-bad-pte-modules.patch
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# ARM
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#
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ApplyPatch arm-export-read_current_timer.patch
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ApplyPatch arm-of-dma.patch
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ApplyPatch arm-lpae-ax88796.patch
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ApplyPatch arm-omap-ehci-fix.patch
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ApplyPatch arm-tegra-usb-no-reset-linux33.patch
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@ -2285,6 +2288,10 @@ fi
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# ||----w |
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# || ||
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%changelog
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* Wed Apr 17 2013 Peter Robinson <pbrobinson@fedoraproject.org>
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- Minor ARM config updates
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- Add patch for DT DMA issues that affect at least highbank/tegra ARM devices
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* Tue Apr 16 2013 Justin M. Forbes <jforbes@redhat.com> - 3.9.0-0.rc7.git1.1
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- Linux v3.9-rc7-4-gbb33db7
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- Reenable debugging options.
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