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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-05-15 13:39:25 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-05-15 13:39:25 +0200
commit69ecdbac144147a80747914d9b6ea3472e2d93e7 (patch)
treee1bb68c3568f370cd6a7d2ae29a051bee244ce0f /arch/arm/mach-pxa/mfp-pxa2xx.c
parent[media] lmedm04: Initialize a variable before its usage (diff)
parentMerge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff)
downloadlinux-69ecdbac144147a80747914d9b6ea3472e2d93e7.tar.xz
linux-69ecdbac144147a80747914d9b6ea3472e2d93e7.zip
Merge remote-tracking branch 'linus/master' into staging/for_v3.5
* linus/master: (805 commits) tty: Fix LED error return openvswitch: checking wrong variable in queue_userspace_packet() bonding: Fix LACPDU rx_dropped commit. Linux 3.4-rc7 ARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1 ARM: EXYNOS: use s5p-timer for UniversalC210 board ARM / mach-shmobile: Invalidate caches when booting secondary cores ARM / mach-shmobile: sh73a0 SMP TWD boot regression fix ARM / mach-shmobile: r8a7779 SMP TWD boot regression fix ARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helper ARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helper MAINTAINERS: Add myself as the cpufreq maintainer dm mpath: check if scsi_dh module already loaded before trying to load dm thin: correct module description dm thin: fix unprotected use of prepared_discards list dm thin: reinstate missing mempool_free in cell_release_singleton gpio/exynos: Fix compiler warnings when non-exynos machines are selected gpio: pch9: Use proper flow type handlers powerpc/irq: Fix another case of lazy IRQ state getting out of sync ks8851: Update link status during link change interrupt ... Conflicts: drivers/media/common/tuners/xc5000.c drivers/media/common/tuners/xc5000.h drivers/usb/gadget/uvc_queue.c
Diffstat (limited to 'arch/arm/mach-pxa/mfp-pxa2xx.c')
-rw-r--r--arch/arm/mach-pxa/mfp-pxa2xx.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c
index b0a842887780..ef0426a159d4 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -33,6 +33,8 @@
#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
#define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5))
#define GPDR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c)
+#define GPSR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x18)
+#define GPCR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x24)
#define PWER_WE35 (1 << 24)
@@ -348,6 +350,7 @@ static inline void pxa27x_mfp_init(void) {}
#ifdef CONFIG_PM
static unsigned long saved_gafr[2][4];
static unsigned long saved_gpdr[4];
+static unsigned long saved_gplr[4];
static unsigned long saved_pgsr[4];
static int pxa2xx_mfp_suspend(void)
@@ -366,14 +369,26 @@ static int pxa2xx_mfp_suspend(void)
}
for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) {
-
saved_gafr[0][i] = GAFR_L(i);
saved_gafr[1][i] = GAFR_U(i);
saved_gpdr[i] = GPDR(i * 32);
+ saved_gplr[i] = GPLR(i * 32);
saved_pgsr[i] = PGSR(i);
- GPDR(i * 32) = gpdr_lpm[i];
+ GPSR(i * 32) = PGSR(i);
+ GPCR(i * 32) = ~PGSR(i);
+ }
+
+ /* set GPDR bits taking into account MFP_LPM_KEEP_OUTPUT */
+ for (i = 0; i < pxa_last_gpio; i++) {
+ if ((gpdr_lpm[gpio_to_bank(i)] & GPIO_bit(i)) ||
+ ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) &&
+ (saved_gpdr[gpio_to_bank(i)] & GPIO_bit(i))))
+ GPDR(i) |= GPIO_bit(i);
+ else
+ GPDR(i) &= ~GPIO_bit(i);
}
+
return 0;
}
@@ -384,6 +399,8 @@ static void pxa2xx_mfp_resume(void)
for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) {
GAFR_L(i) = saved_gafr[0][i];
GAFR_U(i) = saved_gafr[1][i];
+ GPSR(i * 32) = saved_gplr[i];
+ GPCR(i * 32) = ~saved_gplr[i];
GPDR(i * 32) = saved_gpdr[i];
PGSR(i) = saved_pgsr[i];
}