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authorLinus Torvalds <torvalds@linux-foundation.org>2017-05-09 10:01:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-09 10:01:15 -0700
commit0160e00ae8e987be8822745fb166aa76451c9bcc (patch)
treedeca2d09a729155ed0cb631f2bc8f557e634ab06 /drivers/reset/reset-socfpga.c
parentc81ee18e97e4e3162169a749eb7f2b79b3510c7a (diff)
parentb6942b68f85ed3161c91741791ec6f1779574919 (diff)
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson: "Driver updates for ARM SoCs: Reset subsystem, merged through arm-soc by tradition: - Make bool drivers explicitly non-modular - New support for i.MX7 and Arria10 reset controllers PATA driver for Palmchip BK371 (acked by Tejun) Power domain drivers for i.MX (GPC, GPCv2) - Moved out of mach-imx for GPC - Bunch of tweaks, fixes, etc PMC support for Tegra186 SoC detection support for Renesas RZ/G1H and RZ/G1N Move Tegra flow controller driver from mach directory to drivers/soc - (Power management / CPU power driver) Misc smaller tweaks for other platforms" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits) soc: pm-domain: Fix the mangled urls soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0 soc: renesas: rcar-sysc: Add support for fixing up power area tables soc: renesas: Register SoC device early soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible soc: imx: gpc: add defines for domain index soc: imx: Add GPCv2 power gating driver dt-bindings: Add GPCv2 power gating driver ARM/clk: move the ICST library to drivers/clk ARM: plat-versatile: remove stale clock header ARM: keystone: Drop PM domain support for k2g soc: ti: Add ti_sci_pm_domains driver dt-bindings: Add TI SCI PM Domains PM / Domains: Do not check if simple providers have phandle cells PM / Domains: Add generic data pointer to genpd data struct soc/tegra: Add initial flowctrl support for Tegra132/210 soc/tegra: flowctrl: Add basic platform driver soc/tegra: Move Tegra flowctrl driver ARM: tegra: Remove unnecessary inclusion of flowctrl header ...
Diffstat (limited to 'drivers/reset/reset-socfpga.c')
-rw-r--r--drivers/reset/reset-socfpga.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/reset/reset-socfpga.c b/drivers/reset/reset-socfpga.c
index 43e4a9f39b9b..07224c019892 100644
--- a/drivers/reset/reset-socfpga.c
+++ b/drivers/reset/reset-socfpga.c
@@ -25,7 +25,8 @@
#include <linux/spinlock.h>
#include <linux/types.h>
-#define NR_BANKS 4
+#define BANK_INCREMENT 4
+#define NR_BANKS 8
struct socfpga_reset_data {
spinlock_t lock;
@@ -46,8 +47,8 @@ static int socfpga_reset_assert(struct reset_controller_dev *rcdev,
spin_lock_irqsave(&data->lock, flags);
- reg = readl(data->membase + (bank * NR_BANKS));
- writel(reg | BIT(offset), data->membase + (bank * NR_BANKS));
+ reg = readl(data->membase + (bank * BANK_INCREMENT));
+ writel(reg | BIT(offset), data->membase + (bank * BANK_INCREMENT));
spin_unlock_irqrestore(&data->lock, flags);
return 0;
@@ -67,8 +68,8 @@ static int socfpga_reset_deassert(struct reset_controller_dev *rcdev,
spin_lock_irqsave(&data->lock, flags);
- reg = readl(data->membase + (bank * NR_BANKS));
- writel(reg & ~BIT(offset), data->membase + (bank * NR_BANKS));
+ reg = readl(data->membase + (bank * BANK_INCREMENT));
+ writel(reg & ~BIT(offset), data->membase + (bank * BANK_INCREMENT));
spin_unlock_irqrestore(&data->lock, flags);
@@ -84,7 +85,7 @@ static int socfpga_reset_status(struct reset_controller_dev *rcdev,
int offset = id % BITS_PER_LONG;
u32 reg;
- reg = readl(data->membase + (bank * NR_BANKS));
+ reg = readl(data->membase + (bank * BANK_INCREMENT));
return !(reg & BIT(offset));
}