[PATCH v3] mtd: gpmi: fix the compiler warnings
flat view
STALE5165d
From: Huang Shijie <hidden>
Date: 2012-08-01 02:27:30
Hi Artem; Just a ping. Please do not miss this patch. thanks Huang Shijie On Tue, Jul 17, 2012 at 2:14 PM, Huang Shijie [off-list ref] wrote:
quoted hunk ↗ jump to hunk
fix the compiler warnings. Signed-off-by: Huang Shijie <redacted> --- v2 --> v3: sorry, I missed the "set but not used" warnings. This patch is based on the patch: "[PATCH v4 2/2] mtd: gpmi: change the code for clocks". v1 --> v2: fix the "no modifiers for allocation" warnings by the smatch --- drivers/mtd/nand/gpmi-nand/gpmi-lib.c | 4 ++-- drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 20 ++++++++------------ drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 4 ++-- 3 files changed, 12 insertions(+), 16 deletions(-)diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c index 6bb0998..2289cf8 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c@@ -26,7 +26,7 @@ #include "gpmi-regs.h" #include "bch-regs.h" -struct timing_threshod timing_default_threshold = { +static struct timing_threshod timing_default_threshold = { .max_data_setup_cycles = (BM_GPMI_TIMING0_DATA_SETUP >> BP_GPMI_TIMING0_DATA_SETUP), .internal_data_setup_in_ns = 0,@@ -738,7 +738,7 @@ void gpmi_begin(struct gpmi_nand_data *this) { struct resources *r = &this->resources; struct timing_threshod *nfc = &timing_default_threshold; - unsigned char *gpmi_regs = r->gpmi_regs; + void __iomem *gpmi_regs = r->gpmi_regs; unsigned int clock_period_in_ns; uint32_t reg; unsigned int dll_wait_time_in_us;diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index 8c0d2f0..c46be6c 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c@@ -317,7 +317,7 @@ acquire_register_block(struct gpmi_nand_data *this, const char *res_name) struct platform_device *pdev = this->pdev; struct resources *res = &this->resources; struct resource *r; - void *p; + void __iomem *p; r = platform_get_resource_byname(pdev, IORESOURCE_MEM, res_name); if (!r) {@@ -424,8 +424,8 @@ static int __devinit acquire_dma_channels(struct gpmi_nand_data *this) struct platform_device *pdev = this->pdev; struct resource *r_dma; struct device_node *dn; - int dma_channel; - unsigned int ret; + u32 dma_channel; + int ret; struct dma_chan *dma_chan; dma_cap_mask_t mask;@@ -732,12 +732,12 @@ static int gpmi_alloc_dma_buffer(struct gpmi_nand_data *this) struct device *dev = this->dev; /* [1] Allocate a command buffer. PAGE_SIZE is enough. */ - this->cmd_buffer = kzalloc(PAGE_SIZE, GFP_DMA); + this->cmd_buffer = kzalloc(PAGE_SIZE, GFP_DMA | GFP_KERNEL); if (this->cmd_buffer == NULL) goto error_alloc; /* [2] Allocate a read/write data buffer. PAGE_SIZE is enough. */ - this->data_buffer_dma = kzalloc(PAGE_SIZE, GFP_DMA); + this->data_buffer_dma = kzalloc(PAGE_SIZE, GFP_DMA | GFP_KERNEL); if (this->data_buffer_dma == NULL) goto error_alloc;@@ -1260,7 +1260,6 @@ static int mx23_check_transcription_stamp(struct gpmi_nand_data *this) unsigned int search_area_size_in_strides; unsigned int stride; unsigned int page; - loff_t byte; uint8_t *buffer = chip->buffers->databuf; int saved_chip_number; int found_an_ncb_fingerprint = false;@@ -1277,9 +1276,8 @@ static int mx23_check_transcription_stamp(struct gpmi_nand_data *this) dev_dbg(dev, "Scanning for an NCB fingerprint...\n"); for (stride = 0; stride < search_area_size_in_strides; stride++) { - /* Compute the page and byte addresses. */ + /* Compute the page addresses. */ page = stride * rom_geo->stride_size_in_pages; - byte = page * mtd->writesize; dev_dbg(dev, "Looking for a fingerprint in page 0x%x\n", page);@@ -1321,7 +1319,6 @@ static int mx23_write_transcription_stamp(struct gpmi_nand_data *this) unsigned int block; unsigned int stride; unsigned int page; - loff_t byte; uint8_t *buffer = chip->buffers->databuf; int saved_chip_number; int status;@@ -1370,9 +1367,8 @@ static int mx23_write_transcription_stamp(struct gpmi_nand_data *this) /* Loop through the first search area, writing NCB fingerprints. */ dev_dbg(dev, "Writing NCB fingerprints...\n"); for (stride = 0; stride < search_area_size_in_strides; stride++) { - /* Compute the page and byte addresses. */ + /* Compute the page addresses. */ page = stride * rom_geo->stride_size_in_pages; - byte = page * mtd->writesize; /* Write the first page of the current stride. */ dev_dbg(dev, "Writing an NCB fingerprint in page 0x%x\n", page);@@ -1527,7 +1523,7 @@ static int gpmi_scan_bbt(struct mtd_info *mtd) return nand_default_bbt(mtd); } -void gpmi_nfc_exit(struct gpmi_nand_data *this) +static void gpmi_nfc_exit(struct gpmi_nand_data *this) { nand_release(&this->mtd); gpmi_free_dma_buffer(this);diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h index 1547a60..1f61217 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h@@ -24,8 +24,8 @@ #define GPMI_CLK_MAX 5 /* MX6Q needs five clocks */ struct resources { - void *gpmi_regs; - void *bch_regs; + void __iomem *gpmi_regs; + void __iomem *bch_regs; unsigned int bch_low_interrupt; unsigned int bch_high_interrupt; unsigned int dma_low_channel; --1.7.0.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel at lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel