From: Arnd Bergmann <arnd@xxxxxxxx> Since commit 90aa4ed5a43f ("ARM: OMAP2+: Drop legacy platform data for dra7 rtcss"), this is not used any more and can be removed. Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- arch/arm/mach-omap2/Makefile | 2 +- arch/arm/mach-omap2/omap_hwmod.h | 7 -- arch/arm/mach-omap2/omap_hwmod_reset.c | 98 -------------------------- 3 files changed, 1 insertion(+), 106 deletions(-) delete mode 100644 arch/arm/mach-omap2/omap_hwmod_reset.c diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 2feb9f6630af..43b44e0858c1 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -7,7 +7,7 @@ obj-y := id.o io.o control.o devices.o fb.o pm.o \ common.o dma.o omap-headsmp.o sram.o -hwmod-common = omap_hwmod.o omap_hwmod_reset.o \ +hwmod-common = omap_hwmod.o \ omap_hwmod_common_data.o \ omap_hwmod_common_ipblock_data.o \ omap_device.o display.o hdq1w.o \ diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index 6962a8d267e7..1bb42f3d2e83 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -669,13 +669,6 @@ omap_hwmod_for_each_by_class(const char *classname, } #endif /* CONFIG_OMAP_HWMOD */ -/* - * - */ - -void omap_hwmod_rtc_unlock(struct omap_hwmod *oh); -void omap_hwmod_rtc_lock(struct omap_hwmod *oh); - /* * Chip variant-specific hwmod init routines - XXX should be converted * to use initcalls once the initial boot ordering is straightened out diff --git a/arch/arm/mach-omap2/omap_hwmod_reset.c b/arch/arm/mach-omap2/omap_hwmod_reset.c deleted file mode 100644 index 143623bb056d..000000000000 --- a/arch/arm/mach-omap2/omap_hwmod_reset.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * OMAP IP block custom reset and preprogramming stubs - * - * Copyright (C) 2012 Texas Instruments, Inc. - * Paul Walmsley - * - * A small number of IP blocks need custom reset and preprogramming - * functions. The stubs in this file provide a standard way for the - * hwmod code to call these functions, which are to be located under - * drivers/. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ -#include <linux/kernel.h> -#include <linux/errno.h> - -#include "omap_hwmod.h" -#include "common.h" - -#define OMAP_RTC_STATUS_REG 0x44 -#define OMAP_RTC_KICK0_REG 0x6c -#define OMAP_RTC_KICK1_REG 0x70 - -#define OMAP_RTC_KICK0_VALUE 0x83E70B13 -#define OMAP_RTC_KICK1_VALUE 0x95A4F1E0 -#define OMAP_RTC_STATUS_BUSY BIT(0) -#define OMAP_RTC_MAX_READY_TIME 50 - -/** - * omap_rtc_wait_not_busy - Wait for the RTC BUSY flag - * @oh: struct omap_hwmod * - * - * For updating certain RTC registers, the MPU must wait - * for the BUSY status in OMAP_RTC_STATUS_REG to become zero. - * Once the BUSY status is zero, there is a 15 microseconds access - * period in which the MPU can program. - */ -static void omap_rtc_wait_not_busy(struct omap_hwmod *oh) -{ - int i; - - /* BUSY may stay active for 1/32768 second (~30 usec) */ - omap_test_timeout(omap_hwmod_read(oh, OMAP_RTC_STATUS_REG) - & OMAP_RTC_STATUS_BUSY, OMAP_RTC_MAX_READY_TIME, i); - /* now we have ~15 microseconds to read/write various registers */ -} - -/** - * omap_hwmod_rtc_unlock - Unlock the Kicker mechanism. - * @oh: struct omap_hwmod * - * - * RTC IP have kicker feature. This prevents spurious writes to its registers. - * In order to write into any of the RTC registers, KICK values has te be - * written in respective KICK registers. This is needed for hwmod to write into - * sysconfig register. - */ -void omap_hwmod_rtc_unlock(struct omap_hwmod *oh) -{ - unsigned long flags; - - local_irq_save(flags); - omap_rtc_wait_not_busy(oh); - omap_hwmod_write(OMAP_RTC_KICK0_VALUE, oh, OMAP_RTC_KICK0_REG); - omap_hwmod_write(OMAP_RTC_KICK1_VALUE, oh, OMAP_RTC_KICK1_REG); - local_irq_restore(flags); -} - -/** - * omap_hwmod_rtc_lock - Lock the Kicker mechanism. - * @oh: struct omap_hwmod * - * - * RTC IP have kicker feature. This prevents spurious writes to its registers. - * Once the RTC registers are written, KICK mechanism needs to be locked, - * in order to prevent any spurious writes. This function locks back the RTC - * registers once hwmod completes its write into sysconfig register. - */ -void omap_hwmod_rtc_lock(struct omap_hwmod *oh) -{ - unsigned long flags; - - local_irq_save(flags); - omap_rtc_wait_not_busy(oh); - omap_hwmod_write(0x0, oh, OMAP_RTC_KICK0_REG); - omap_hwmod_write(0x0, oh, OMAP_RTC_KICK1_REG); - local_irq_restore(flags); -} -- 2.29.2