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author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-09-12 17:14:33 +0200 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-09-12 17:14:33 +0200 |
commit | 25a765b7f05cb8460fa01b54568894b20e184862 (patch) | |
tree | 0b56db57b4d9f912393ab303c269e0fe6cdf8635 /arch/blackfin/kernel | |
parent | xen/privcmd: return -EFAULT on error (diff) | |
parent | x86: Document x86_init.paging.pagetable_init() (diff) | |
download | linux-25a765b7f05cb8460fa01b54568894b20e184862.tar.xz linux-25a765b7f05cb8460fa01b54568894b20e184862.zip |
Merge branch 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into stable/for-linus-3.7
* 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (9690 commits)
x86: Document x86_init.paging.pagetable_init()
x86: xen: Cleanup and remove x86_init.paging.pagetable_setup_done()
x86: Move paging_init() call to x86_init.paging.pagetable_init()
x86: Rename pagetable_setup_start() to pagetable_init()
x86: Remove base argument from x86_init.paging.pagetable_setup_start
Linux 3.6-rc5
HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured
Remove user-triggerable BUG from mpol_to_str
xen/pciback: Fix proper FLR steps.
uml: fix compile error in deliver_alarm()
dj: memory scribble in logi_dj
Fix order of arguments to compat_put_time[spec|val]
xen: Use correct masking in xen_swiotlb_alloc_coherent.
xen: fix logical error in tlb flushing
xen/p2m: Fix one-off error in checking the P2M tree directory.
powerpc: Don't use __put_user() in patch_instruction
powerpc: Make sure IPI handlers see data written by IPI senders
powerpc: Restore correct DSCR in context switch
powerpc: Fix DSCR inheritance in copy_thread()
powerpc: Keep thread.dscr and thread.dscr_inherit in sync
...
Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r-- | arch/blackfin/kernel/Makefile | 1 | ||||
-rw-r--r-- | arch/blackfin/kernel/bfin_dma.c | 4 | ||||
-rw-r--r-- | arch/blackfin/kernel/cplb-nompu/cplbinit.c | 8 | ||||
-rw-r--r-- | arch/blackfin/kernel/dma-mapping.c | 10 | ||||
-rw-r--r-- | arch/blackfin/kernel/pwm.c | 100 | ||||
-rw-r--r-- | arch/blackfin/kernel/setup.c | 1 |
6 files changed, 16 insertions, 108 deletions
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile index 08e6625106be..735f24e07425 100644 --- a/arch/blackfin/kernel/Makefile +++ b/arch/blackfin/kernel/Makefile @@ -21,7 +21,6 @@ obj-$(CONFIG_FUNCTION_TRACER) += ftrace-entry.o obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o CFLAGS_REMOVE_ftrace.o = -pg -obj-$(CONFIG_HAVE_PWM) += pwm.o obj-$(CONFIG_IPIPE) += ipipe.o obj-$(CONFIG_BFIN_GPTIMERS) += gptimers.o obj-$(CONFIG_CPLB_INFO) += cplbinfo.o diff --git a/arch/blackfin/kernel/bfin_dma.c b/arch/blackfin/kernel/bfin_dma.c index c166939ffb2b..4a32f2dd5ddc 100644 --- a/arch/blackfin/kernel/bfin_dma.c +++ b/arch/blackfin/kernel/bfin_dma.c @@ -45,7 +45,7 @@ static int __init blackfin_dma_init(void) atomic_set(&dma_ch[i].chan_status, 0); dma_ch[i].regs = dma_io_base_addr[i]; } -#ifdef CH_MEM_STREAM3_SRC +#if defined(CH_MEM_STREAM3_SRC) && defined(CONFIG_BF60x) /* Mark MEMDMA Channel 3 as requested since we're using it internally */ request_dma(CH_MEM_STREAM3_DEST, "Blackfin dma_memcpy"); request_dma(CH_MEM_STREAM3_SRC, "Blackfin dma_memcpy"); @@ -361,7 +361,7 @@ void __init early_dma_memcpy_done(void) __builtin_bfin_ssync(); } -#ifdef CH_MEM_STREAM3_SRC +#if defined(CH_MEM_STREAM3_SRC) && defined(CONFIG_BF60x) #define bfin_read_MDMA_S_CONFIG bfin_read_MDMA_S3_CONFIG #define bfin_write_MDMA_S_CONFIG bfin_write_MDMA_S3_CONFIG #define bfin_write_MDMA_S_START_ADDR bfin_write_MDMA_S3_START_ADDR diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 3e366dc2d6e1..34e96ce02aa9 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -58,12 +58,20 @@ void __init generate_cplb_tables_cpu(unsigned int cpu) #ifdef CONFIG_ROMKERNEL /* Cover kernel XIP flash area */ +#ifdef CONFIG_BF60x + addr = CONFIG_ROM_BASE & ~(16 * 1024 * 1024 - 1); + d_tbl[i_d].addr = addr; + d_tbl[i_d++].data = SDRAM_DGENERIC | PAGE_SIZE_16MB; + i_tbl[i_i].addr = addr; + i_tbl[i_i++].data = SDRAM_IGENERIC | PAGE_SIZE_16MB; +#else addr = CONFIG_ROM_BASE & ~(4 * 1024 * 1024 - 1); d_tbl[i_d].addr = addr; d_tbl[i_d++].data = SDRAM_DGENERIC | PAGE_SIZE_4MB; i_tbl[i_i].addr = addr; i_tbl[i_i++].data = SDRAM_IGENERIC | PAGE_SIZE_4MB; #endif +#endif /* Cover L1 memory. One 4M area for code and data each is enough. */ if (cpu == 0) { diff --git a/arch/blackfin/kernel/dma-mapping.c b/arch/blackfin/kernel/dma-mapping.c index f0d1118f1825..e7be6532d6a0 100644 --- a/arch/blackfin/kernel/dma-mapping.c +++ b/arch/blackfin/kernel/dma-mapping.c @@ -122,12 +122,13 @@ void __dma_sync(dma_addr_t addr, size_t size, EXPORT_SYMBOL(__dma_sync); int -dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, +dma_map_sg(struct device *dev, struct scatterlist *sg_list, int nents, enum dma_data_direction direction) { + struct scatterlist *sg; int i; - for (i = 0; i < nents; i++, sg++) { + for_each_sg(sg_list, sg, nents, i) { sg->dma_address = (dma_addr_t) sg_virt(sg); __dma_sync(sg_dma_address(sg), sg_dma_len(sg), direction); } @@ -136,12 +137,13 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, } EXPORT_SYMBOL(dma_map_sg); -void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, +void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg_list, int nelems, enum dma_data_direction direction) { + struct scatterlist *sg; int i; - for (i = 0; i < nelems; i++, sg++) { + for_each_sg(sg_list, sg, nelems, i) { sg->dma_address = (dma_addr_t) sg_virt(sg); __dma_sync(sg_dma_address(sg), sg_dma_len(sg), direction); } diff --git a/arch/blackfin/kernel/pwm.c b/arch/blackfin/kernel/pwm.c deleted file mode 100644 index 33f5942733bd..000000000000 --- a/arch/blackfin/kernel/pwm.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Blackfin Pulse Width Modulation (PWM) core - * - * Copyright (c) 2011 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <linux/module.h> -#include <linux/pwm.h> -#include <linux/slab.h> - -#include <asm/gptimers.h> -#include <asm/portmux.h> - -struct pwm_device { - unsigned id; - unsigned short pin; -}; - -static const unsigned short pwm_to_gptimer_per[] = { - P_TMR0, P_TMR1, P_TMR2, P_TMR3, P_TMR4, P_TMR5, - P_TMR6, P_TMR7, P_TMR8, P_TMR9, P_TMR10, P_TMR11, -}; - -struct pwm_device *pwm_request(int pwm_id, const char *label) -{ - struct pwm_device *pwm; - int ret; - - /* XXX: pwm_id really should be unsigned */ - if (pwm_id < 0) - return NULL; - - pwm = kzalloc(sizeof(*pwm), GFP_KERNEL); - if (!pwm) - return pwm; - - pwm->id = pwm_id; - if (pwm->id >= ARRAY_SIZE(pwm_to_gptimer_per)) - goto err; - - pwm->pin = pwm_to_gptimer_per[pwm->id]; - ret = peripheral_request(pwm->pin, label); - if (ret) - goto err; - - return pwm; - err: - kfree(pwm); - return NULL; -} -EXPORT_SYMBOL(pwm_request); - -void pwm_free(struct pwm_device *pwm) -{ - peripheral_free(pwm->pin); - kfree(pwm); -} -EXPORT_SYMBOL(pwm_free); - -int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -{ - unsigned long period, duty; - unsigned long long val; - - if (duty_ns < 0 || duty_ns > period_ns) - return -EINVAL; - - val = (unsigned long long)get_sclk() * period_ns; - do_div(val, NSEC_PER_SEC); - period = val; - - val = (unsigned long long)period * duty_ns; - do_div(val, period_ns); - duty = period - val; - - if (duty >= period) - duty = period - 1; - - set_gptimer_config(pwm->id, TIMER_MODE_PWM | TIMER_PERIOD_CNT); - set_gptimer_pwidth(pwm->id, duty); - set_gptimer_period(pwm->id, period); - - return 0; -} -EXPORT_SYMBOL(pwm_config); - -int pwm_enable(struct pwm_device *pwm) -{ - enable_gptimer(pwm->id); - return 0; -} -EXPORT_SYMBOL(pwm_enable); - -void pwm_disable(struct pwm_device *pwm) -{ - disable_gptimer(pwm->id); -} -EXPORT_SYMBOL(pwm_disable); diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index ada8f0fc71e4..fb96e607adcf 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -52,7 +52,6 @@ EXPORT_SYMBOL(reserved_mem_dcache_on); #ifdef CONFIG_MTD_UCLINUX extern struct map_info uclinux_ram_map; unsigned long memory_mtd_end, memory_mtd_start, mtd_size; -unsigned long _ebss; EXPORT_SYMBOL(memory_mtd_end); EXPORT_SYMBOL(memory_mtd_start); EXPORT_SYMBOL(mtd_size); |