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authorLinus Torvalds <torvalds@linux-foundation.org>2015-02-01 13:20:47 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-01 13:20:47 -0800
commitfba7e99458b606dc9a84332d38cd40e9d367633f (patch)
treeb700406ccf5dc02f5c82d8f7e59ba1d57218f525
parent3441456bfa326e9e16177cd13d0490ddd0e2fe0e (diff)
parent28111dda37e653781efc73c06229f006739b3982 (diff)
Merge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson: "One more week's worth of fixes. Worth pointing out here are: - A patch fixing detaching of iommu registrations when a device is removed -- earlier the ops pointer wasn't managed properly - Another set of Renesas boards get the same GIC setup fixup as others have in previous -rcs - Serial port aliases fixups for sunxi. We did the same to tegra but we caught that in time before the merge window due to more machines being affected. Here it took longer for anyone to notice. - A couple more DT tweaks on sunxi - A follow-up patch for the mvebu coherency disabling in last -rc batch" * tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: arm: dma-mapping: Set DMA IOMMU ops in arm_iommu_attach_device() ARM: shmobile: r8a7790: Instantiate GIC from C board code in legacy builds ARM: shmobile: r8a73a4: Instantiate GIC from C board code in legacy builds ARM: mvebu: don't set the PL310 in I/O coherency mode when I/O coherency is disabled ARM: sunxi: dt: Fix aliases ARM: dts: sun4i: Add simplefb node with de_fe0-de_be0-lcd0-hdmi pipeline ARM: dts: sun6i: ippo-q8h-v5: Fix serial0 alias ARM: dts: sunxi: Fix usb-phy support for sun4i/sun5i
-rw-r--r--arch/arm/boot/dts/sun4i-a10.dtsi20
-rw-r--r--arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts6
-rw-r--r--arch/arm/boot/dts/sun5i-a10s.dtsi8
-rw-r--r--arch/arm/boot/dts/sun5i-a13-hsg-h702.dts4
-rw-r--r--arch/arm/boot/dts/sun5i-a13-olinuxino-micro.dts4
-rw-r--r--arch/arm/boot/dts/sun5i-a13-olinuxino.dts4
-rw-r--r--arch/arm/boot/dts/sun5i-a13.dtsi9
-rw-r--r--arch/arm/boot/dts/sun6i-a31.dtsi6
-rw-r--r--arch/arm/boot/dts/sun7i-a20-bananapi.dts6
-rw-r--r--arch/arm/boot/dts/sun7i-a20-hummingbird.dts8
-rw-r--r--arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts3
-rw-r--r--arch/arm/boot/dts/sun7i-a20.dtsi8
-rw-r--r--arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts4
-rw-r--r--arch/arm/boot/dts/sun8i-a23.dtsi9
-rw-r--r--arch/arm/boot/dts/sun9i-a80-optimus.dts5
-rw-r--r--arch/arm/boot/dts/sun9i-a80.dtsi10
-rw-r--r--arch/arm/mach-mvebu/coherency.c7
-rw-r--r--arch/arm/mach-shmobile/board-ape6evm.c20
-rw-r--r--arch/arm/mach-shmobile/board-lager.c13
-rw-r--r--arch/arm/mach-shmobile/setup-rcar-gen2.c2
-rw-r--r--arch/arm/mach-shmobile/timer.c12
-rw-r--r--arch/arm/mm/dma-mapping.c53
22 files changed, 150 insertions, 71 deletions
diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 7b4099fcf817..d5c4669224b1 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -17,14 +17,6 @@
aliases {
ethernet0 = &emac;
- serial0 = &uart0;
- serial1 = &uart1;
- serial2 = &uart2;
- serial3 = &uart3;
- serial4 = &uart4;
- serial5 = &uart5;
- serial6 = &uart6;
- serial7 = &uart7;
};
chosen {
@@ -39,6 +31,14 @@
<&ahb_gates 44>;
status = "disabled";
};
+
+ framebuffer@1 {
+ compatible = "allwinner,simple-framebuffer", "simple-framebuffer";
+ allwinner,pipeline = "de_fe0-de_be0-lcd0-hdmi";
+ clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 43>,
+ <&ahb_gates 44>, <&ahb_gates 46>;
+ status = "disabled";
+ };
};
cpus {
@@ -438,8 +438,8 @@
reg-names = "phy_ctrl", "pmu1", "pmu2";
clocks = <&usb_clk 8>;
clock-names = "usb_phy";
- resets = <&usb_clk 1>, <&usb_clk 2>;
- reset-names = "usb1_reset", "usb2_reset";
+ resets = <&usb_clk 0>, <&usb_clk 1>, <&usb_clk 2>;
+ reset-names = "usb0_reset", "usb1_reset", "usb2_reset";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts b/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts
index fe3c559ca6a8..bfa742817690 100644
--- a/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts
@@ -55,6 +55,12 @@
model = "Olimex A10s-Olinuxino Micro";
compatible = "olimex,a10s-olinuxino-micro", "allwinner,sun5i-a10s";
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart2;
+ serial2 = &uart3;
+ };
+
soc@01c00000 {
emac: ethernet@01c0b000 {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi
index 1b76667f3182..2e7d8263799d 100644
--- a/arch/arm/boot/dts/sun5i-a10s.dtsi
+++ b/arch/arm/boot/dts/sun5i-a10s.dtsi
@@ -18,10 +18,6 @@
aliases {
ethernet0 = &emac;
- serial0 = &uart0;
- serial1 = &uart1;
- serial2 = &uart2;
- serial3 = &uart3;
};
chosen {
@@ -390,8 +386,8 @@
reg-names = "phy_ctrl", "pmu1";
clocks = <&usb_clk 8>;
clock-names = "usb_phy";
- resets = <&usb_clk 1>;
- reset-names = "usb1_reset";
+ resets = <&usb_clk 0>, <&usb_clk 1>;
+ reset-names = "usb0_reset", "usb1_reset";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts b/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts
index eeed1f236ee8..c7be3abd9fcc 100644
--- a/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts
+++ b/arch/arm/boot/dts/sun5i-a13-hsg-h702.dts
@@ -53,6 +53,10 @@
model = "HSG H702";
compatible = "hsg,h702", "allwinner,sun5i-a13";
+ aliases {
+ serial0 = &uart1;
+ };
+
soc@01c00000 {
mmc0: mmc@01c0f000 {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun5i-a13-olinuxino-micro.dts b/arch/arm/boot/dts/sun5i-a13-olinuxino-micro.dts
index 916ee8bb826f..3decefb3c37a 100644
--- a/arch/arm/boot/dts/sun5i-a13-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun5i-a13-olinuxino-micro.dts
@@ -54,6 +54,10 @@
model = "Olimex A13-Olinuxino Micro";
compatible = "olimex,a13-olinuxino-micro", "allwinner,sun5i-a13";
+ aliases {
+ serial0 = &uart1;
+ };
+
soc@01c00000 {
mmc0: mmc@01c0f000 {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun5i-a13-olinuxino.dts b/arch/arm/boot/dts/sun5i-a13-olinuxino.dts
index e31d291d14cb..b421f7fa197b 100644
--- a/arch/arm/boot/dts/sun5i-a13-olinuxino.dts
+++ b/arch/arm/boot/dts/sun5i-a13-olinuxino.dts
@@ -55,6 +55,10 @@
model = "Olimex A13-Olinuxino";
compatible = "olimex,a13-olinuxino", "allwinner,sun5i-a13";
+ aliases {
+ serial0 = &uart1;
+ };
+
soc@01c00000 {
mmc0: mmc@01c0f000 {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi
index c35217ea1f64..c556688f8b8b 100644
--- a/arch/arm/boot/dts/sun5i-a13.dtsi
+++ b/arch/arm/boot/dts/sun5i-a13.dtsi
@@ -16,11 +16,6 @@
/ {
interrupt-parent = <&intc>;
- aliases {
- serial0 = &uart1;
- serial1 = &uart3;
- };
-
cpus {
#address-cells = <1>;
#size-cells = <0>;
@@ -349,8 +344,8 @@
reg-names = "phy_ctrl", "pmu1";
clocks = <&usb_clk 8>;
clock-names = "usb_phy";
- resets = <&usb_clk 1>;
- reset-names = "usb1_reset";
+ resets = <&usb_clk 0>, <&usb_clk 1>;
+ reset-names = "usb0_reset", "usb1_reset";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
index f47156b6572b..1e7e7bcf8307 100644
--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -53,12 +53,6 @@
interrupt-parent = <&gic>;
aliases {
- serial0 = &uart0;
- serial1 = &uart1;
- serial2 = &uart2;
- serial3 = &uart3;
- serial4 = &uart4;
- serial5 = &uart5;
ethernet0 = &gmac;
};
diff --git a/arch/arm/boot/dts/sun7i-a20-bananapi.dts b/arch/arm/boot/dts/sun7i-a20-bananapi.dts
index 1cf1214cc068..bd7b15add697 100644
--- a/arch/arm/boot/dts/sun7i-a20-bananapi.dts
+++ b/arch/arm/boot/dts/sun7i-a20-bananapi.dts
@@ -55,6 +55,12 @@
model = "LeMaker Banana Pi";
compatible = "lemaker,bananapi", "allwinner,sun7i-a20";
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart3;
+ serial2 = &uart7;
+ };
+
soc@01c00000 {
spi0: spi@01c05000 {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun7i-a20-hummingbird.dts b/arch/arm/boot/dts/sun7i-a20-hummingbird.dts
index 0e4bfa3b2b85..0bcefcbbb756 100644
--- a/arch/arm/boot/dts/sun7i-a20-hummingbird.dts
+++ b/arch/arm/boot/dts/sun7i-a20-hummingbird.dts
@@ -19,6 +19,14 @@
model = "Merrii A20 Hummingbird";
compatible = "merrii,a20-hummingbird", "allwinner,sun7i-a20";
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart2;
+ serial2 = &uart3;
+ serial3 = &uart4;
+ serial4 = &uart5;
+ };
+
soc@01c00000 {
mmc0: mmc@01c0f000 {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index 9d669cdf031d..66cc77707198 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -20,6 +20,9 @@
compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
aliases {
+ serial0 = &uart0;
+ serial1 = &uart6;
+ serial2 = &uart7;
spi0 = &spi1;
spi1 = &spi2;
};
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index e21ce5992d56..89749ce34a84 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -54,14 +54,6 @@
aliases {
ethernet0 = &gmac;
- serial0 = &uart0;
- serial1 = &uart1;
- serial2 = &uart2;
- serial3 = &uart3;
- serial4 = &uart4;
- serial5 = &uart5;
- serial6 = &uart6;
- serial7 = &uart7;
};
chosen {
diff --git a/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts b/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts
index 7f2117ce6985..32ad80804dbb 100644
--- a/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts
+++ b/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts
@@ -55,6 +55,10 @@
model = "Ippo Q8H Dual Core Tablet (v5)";
compatible = "ippo,q8h-v5", "allwinner,sun8i-a23";
+ aliases {
+ serial0 = &r_uart;
+ };
+
chosen {
bootargs = "earlyprintk console=ttyS0,115200";
};
diff --git a/arch/arm/boot/dts/sun8i-a23.dtsi b/arch/arm/boot/dts/sun8i-a23.dtsi
index 0746cd1024d7..86584fcf5e32 100644
--- a/arch/arm/boot/dts/sun8i-a23.dtsi
+++ b/arch/arm/boot/dts/sun8i-a23.dtsi
@@ -52,15 +52,6 @@
/ {
interrupt-parent = <&gic>;
- aliases {
- serial0 = &uart0;
- serial1 = &uart1;
- serial2 = &uart2;
- serial3 = &uart3;
- serial4 = &uart4;
- serial5 = &r_uart;
- };
-
cpus {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
index 506948f582ee..11ec71072e81 100644
--- a/arch/arm/boot/dts/sun9i-a80-optimus.dts
+++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts
@@ -54,6 +54,11 @@
model = "Merrii A80 Optimus Board";
compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart4;
+ };
+
chosen {
bootargs = "earlyprintk console=ttyS0,115200";
};
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index 494714f67b57..9ef4438206a9 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -52,16 +52,6 @@
/ {
interrupt-parent = <&gic>;
- aliases {
- serial0 = &uart0;
- serial1 = &uart1;
- serial2 = &uart2;
- serial3 = &uart3;
- serial4 = &uart4;
- serial5 = &uart5;
- serial6 = &r_uart;
- };
-
cpus {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index caa21e9b8cd9..ccef8806bb58 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -190,6 +190,13 @@ static void __init armada_375_380_coherency_init(struct device_node *np)
arch_ioremap_caller = armada_pcie_wa_ioremap_caller;
/*
+ * We should switch the PL310 to I/O coherency mode only if
+ * I/O coherency is actually enabled.
+ */
+ if (!coherency_available())
+ return;
+
+ /*
* Add the PL310 property "arm,io-coherent". This makes sure the
* outer sync operation is not used, which allows to
* workaround the system erratum that causes deadlocks when
diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c
index 66f67816a844..444f22d370f0 100644
--- a/arch/arm/mach-shmobile/board-ape6evm.c
+++ b/arch/arm/mach-shmobile/board-ape6evm.c
@@ -18,6 +18,8 @@
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/interrupt.h>
+#include <linux/irqchip.h>
+#include <linux/irqchip/arm-gic.h>
#include <linux/kernel.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
@@ -273,6 +275,22 @@ static void __init ape6evm_add_standard_devices(void)
sizeof(ape6evm_leds_pdata));
}
+static void __init ape6evm_legacy_init_time(void)
+{
+ /* Do not invoke DT-based timers via clocksource_of_init() */
+}
+
+static void __init ape6evm_legacy_init_irq(void)
+{
+ void __iomem *gic_dist_base = ioremap_nocache(0xf1001000, 0x1000);
+ void __iomem *gic_cpu_base = ioremap_nocache(0xf1002000, 0x1000);
+
+ gic_init(0, 29, gic_dist_base, gic_cpu_base);
+
+ /* Do not invoke DT-based interrupt code via irqchip_init() */
+}
+
+
static const char *ape6evm_boards_compat_dt[] __initdata = {
"renesas,ape6evm",
NULL,
@@ -280,7 +298,9 @@ static const char *ape6evm_boards_compat_dt[] __initdata = {
DT_MACHINE_START(APE6EVM_DT, "ape6evm")
.init_early = shmobile_init_delay,
+ .init_irq = ape6evm_legacy_init_irq,
.init_machine = ape6evm_add_standard_devices,
.init_late = shmobile_init_late,
.dt_compat = ape6evm_boards_compat_dt,
+ .init_time = ape6evm_legacy_init_time,
MACHINE_END
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index f8197eb6e566..65b128dd4072 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -21,6 +21,8 @@
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
+#include <linux/irqchip.h>
+#include <linux/irqchip/arm-gic.h>
#include <linux/kernel.h>
#include <linux/leds.h>
#include <linux/mfd/tmio.h>
@@ -811,6 +813,16 @@ static void __init lager_init(void)
lager_ksz8041_fixup);
}
+static void __init lager_legacy_init_irq(void)
+{
+ void __iomem *gic_dist_base = ioremap_nocache(0xf1001000, 0x1000);
+ void __iomem *gic_cpu_base = ioremap_nocache(0xf1002000, 0x1000);
+
+ gic_init(0, 29, gic_dist_base, gic_cpu_base);
+
+ /* Do not invoke DT-based interrupt code via irqchip_init() */
+}
+
static const char * const lager_boards_compat_dt[] __initconst = {
"renesas,lager",
NULL,
@@ -819,6 +831,7 @@ static const char * const lager_boards_compat_dt[] __initconst = {
DT_MACHINE_START(LAGER_DT, "lager")
.smp = smp_ops(r8a7790_smp_ops),
.init_early = shmobile_init_delay,
+ .init_irq = lager_legacy_init_irq,
.init_time = rcar_gen2_timer_init,
.init_machine = lager_init,
.init_late = shmobile_init_late,
diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c
index 3dd6edd9bd1d..cc9470dfb1ce 100644
--- a/arch/arm/mach-shmobile/setup-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c
@@ -133,7 +133,9 @@ void __init rcar_gen2_timer_init(void)
#ifdef CONFIG_COMMON_CLK
rcar_gen2_clocks_init(mode);
#endif
+#ifdef CONFIG_ARCH_SHMOBILE_MULTI
clocksource_of_init();
+#endif
}
struct memory_reserve_config {
diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c
index f1d027aa7a81..0edf2a6d2bbe 100644
--- a/arch/arm/mach-shmobile/timer.c
+++ b/arch/arm/mach-shmobile/timer.c
@@ -70,6 +70,18 @@ void __init shmobile_init_delay(void)
if (!max_freq)
return;
+#ifdef CONFIG_ARCH_SHMOBILE_LEGACY
+ /* Non-multiplatform r8a73a4 SoC cannot use arch timer due
+ * to GIC being initialized from C and arch timer via DT */
+ if (of_machine_is_compatible("renesas,r8a73a4"))
+ has_arch_timer = false;
+
+ /* Non-multiplatform r8a7790 SoC cannot use arch timer due
+ * to GIC being initialized from C and arch timer via DT */
+ if (of_machine_is_compatible("renesas,r8a7790"))
+ has_arch_timer = false;
+#endif
+
if (!has_arch_timer || !IS_ENABLED(CONFIG_ARM_ARCH_TIMER)) {
if (is_a7_a8_a9)
shmobile_setup_delay_hz(max_freq, 1, 3);
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 7864797609b3..a673c7f7e208 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1940,13 +1940,32 @@ void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping)
}
EXPORT_SYMBOL_GPL(arm_iommu_release_mapping);
+static int __arm_iommu_attach_device(struct device *dev,
+ struct dma_iommu_mapping *mapping)
+{
+ int err;
+
+ err = iommu_attach_device(mapping->domain, dev);
+ if (err)
+ return err;
+
+ kref_get(&mapping->kref);
+ dev->archdata.mapping = mapping;
+
+ pr_debug("Attached IOMMU controller to %s device.\n", dev_name(dev));
+ return 0;
+}
+
/**
* arm_iommu_attach_device
* @dev: valid struct device pointer
* @mapping: io address space mapping structure (returned from
* arm_iommu_create_mapping)
*
- * Attaches specified io address space mapping to the provided device,
+ * Attaches specified io address space mapping to the provided device.
+ * This replaces the dma operations (dma_map_ops pointer) with the
+ * IOMMU aware version.
+ *
* More than one client might be attached to the same io address space
* mapping.
*/
@@ -1955,25 +1974,16 @@ int arm_iommu_attach_device(struct device *dev,
{
int err;
- err = iommu_attach_device(mapping->domain, dev);
+ err = __arm_iommu_attach_device(dev, mapping);
if (err)
return err;
- kref_get(&mapping->kref);
- dev->archdata.mapping = mapping;
-
- pr_debug("Attached IOMMU controller to %s device.\n", dev_name(dev));
+ set_dma_ops(dev, &iommu_ops);
return 0;
}
EXPORT_SYMBOL_GPL(arm_iommu_attach_device);
-/**
- * arm_iommu_detach_device
- * @dev: valid struct device pointer
- *
- * Detaches the provided device from a previously attached map.
- */
-void arm_iommu_detach_device(struct device *dev)
+static void __arm_iommu_detach_device(struct device *dev)
{
struct dma_iommu_mapping *mapping;
@@ -1989,6 +1999,19 @@ void arm_iommu_detach_device(struct device *dev)
pr_debug("Detached IOMMU controller from %s device.\n", dev_name(dev));
}
+
+/**
+ * arm_iommu_detach_device
+ * @dev: valid struct device pointer
+ *
+ * Detaches the provided device from a previously attached map.
+ * This voids the dma operations (dma_map_ops pointer)
+ */
+void arm_iommu_detach_device(struct device *dev)
+{
+ __arm_iommu_detach_device(dev);
+ set_dma_ops(dev, NULL);
+}
EXPORT_SYMBOL_GPL(arm_iommu_detach_device);
static struct dma_map_ops *arm_get_iommu_dma_map_ops(bool coherent)
@@ -2011,7 +2034,7 @@ static bool arm_setup_iommu_dma_ops(struct device *dev, u64 dma_base, u64 size,
return false;
}
- if (arm_iommu_attach_device(dev, mapping)) {
+ if (__arm_iommu_attach_device(dev, mapping)) {
pr_warn("Failed to attached device %s to IOMMU_mapping\n",
dev_name(dev));
arm_iommu_release_mapping(mapping);
@@ -2025,7 +2048,7 @@ static void arm_teardown_iommu_dma_ops(struct device *dev)
{
struct dma_iommu_mapping *mapping = dev->archdata.mapping;
- arm_iommu_detach_device(dev);
+ __arm_iommu_detach_device(dev);
arm_iommu_release_mapping(mapping);
}