diff options
Diffstat (limited to 'drivers/mtd/nand/gpmi-nand/gpmi-nand.c')
| -rw-r--r-- | drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index d79696b2f19..5cd141f7bfc 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -25,7 +25,6 @@ #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/module.h> -#include <linux/mtd/gpmi-nand.h> #include <linux/mtd/partitions.h> #include <linux/pinctrl/consumer.h> #include <linux/of.h> @@ -33,6 +32,12 @@ #include <linux/of_mtd.h> #include "gpmi-nand.h" +/* Resource names for the GPMI NAND driver. */ +#define GPMI_NAND_GPMI_REGS_ADDR_RES_NAME "gpmi-nand" +#define GPMI_NAND_BCH_REGS_ADDR_RES_NAME "bch" +#define GPMI_NAND_BCH_INTERRUPT_RES_NAME "bch" +#define GPMI_NAND_DMA_INTERRUPT_RES_NAME "gpmi-dma" + /* add our owner bbt descriptor */ static uint8_t scan_ff_pattern[] = { 0xff }; static struct nand_bbt_descr gpmi_bbt_descr = { @@ -222,7 +227,7 @@ void prepare_data_dma(struct gpmi_nand_data *this, enum dma_data_direction dr) ret = dma_map_sg(this->dev, sgl, 1, dr); if (ret == 0) - pr_err("map failed.\n"); + pr_err("DMA mapping failed.\n"); this->direct_dma_map_ok = false; } @@ -314,7 +319,7 @@ int start_dma_with_bch_irq(struct gpmi_nand_data *this, return 0; } -static int __devinit +static int acquire_register_block(struct gpmi_nand_data *this, const char *res_name) { struct platform_device *pdev = this->pdev; @@ -355,7 +360,7 @@ static void release_register_block(struct gpmi_nand_data *this) res->bch_regs = NULL; } -static int __devinit +static int acquire_bch_irq(struct gpmi_nand_data *this, irq_handler_t irq_h) { struct platform_device *pdev = this->pdev; @@ -422,7 +427,7 @@ static void release_dma_channels(struct gpmi_nand_data *this) } } -static int __devinit acquire_dma_channels(struct gpmi_nand_data *this) +static int acquire_dma_channels(struct gpmi_nand_data *this) { struct platform_device *pdev = this->pdev; struct resource *r_dma; @@ -456,7 +461,7 @@ static int __devinit acquire_dma_channels(struct gpmi_nand_data *this) dma_chan = dma_request_channel(mask, gpmi_dma_filter, this); if (!dma_chan) { - pr_err("dma_request_channel failed.\n"); + pr_err("Failed to request DMA channel.\n"); goto acquire_err; } @@ -487,7 +492,7 @@ static char *extra_clks_for_mx6q[GPMI_CLK_MAX] = { "gpmi_apb", "gpmi_bch", "gpmi_bch_apb", "per1_bch", }; -static int __devinit gpmi_get_clks(struct gpmi_nand_data *this) +static int gpmi_get_clks(struct gpmi_nand_data *this) { struct resources *r = &this->resources; char **extra_clks = NULL; @@ -533,7 +538,7 @@ err_clock: return -ENOMEM; } -static int __devinit acquire_resources(struct gpmi_nand_data *this) +static int acquire_resources(struct gpmi_nand_data *this) { struct pinctrl *pinctrl; int ret; @@ -583,7 +588,7 @@ static void release_resources(struct gpmi_nand_data *this) release_dma_channels(this); } -static int __devinit init_hardware(struct gpmi_nand_data *this) +static int init_hardware(struct gpmi_nand_data *this) { int ret; @@ -625,7 +630,8 @@ static int read_page_prepare(struct gpmi_nand_data *this, length, DMA_FROM_DEVICE); if (dma_mapping_error(dev, dest_phys)) { if (alt_size < length) { - pr_err("Alternate buffer is too small\n"); + pr_err("%s, Alternate buffer is too small\n", + __func__); return -ENOMEM; } goto map_failed; @@ -675,7 +681,8 @@ static int send_page_prepare(struct gpmi_nand_data *this, DMA_TO_DEVICE); if (dma_mapping_error(dev, source_phys)) { if (alt_size < length) { - pr_err("Alternate buffer is too small\n"); + pr_err("%s, Alternate buffer is too small\n", + __func__); return -ENOMEM; } goto map_failed; @@ -763,7 +770,7 @@ static int gpmi_alloc_dma_buffer(struct gpmi_nand_data *this) error_alloc: gpmi_free_dma_buffer(this); - pr_err("allocate DMA buffer ret!!\n"); + pr_err("Error allocating DMA buffers!\n"); return -ENOMEM; } @@ -1474,7 +1481,7 @@ static int gpmi_set_geometry(struct gpmi_nand_data *this) /* Set up the NFC geometry which is used by BCH. */ ret = bch_set_geometry(this); if (ret) { - pr_err("set geometry ret : %d\n", ret); + pr_err("Error setting BCH geometry : %d\n", ret); return ret; } @@ -1535,7 +1542,7 @@ static void gpmi_nfc_exit(struct gpmi_nand_data *this) gpmi_free_dma_buffer(this); } -static int __devinit gpmi_nfc_init(struct gpmi_nand_data *this) +static int gpmi_nfc_init(struct gpmi_nand_data *this) { struct mtd_info *mtd = &this->mtd; struct nand_chip *chip = &this->nand; @@ -1618,7 +1625,7 @@ static const struct of_device_id gpmi_nand_id_table[] = { }; MODULE_DEVICE_TABLE(of, gpmi_nand_id_table); -static int __devinit gpmi_nand_probe(struct platform_device *pdev) +static int gpmi_nand_probe(struct platform_device *pdev) { struct gpmi_nand_data *this; const struct of_device_id *of_id; @@ -1668,7 +1675,7 @@ exit_acquire_resources: return ret; } -static int __devexit gpmi_nand_remove(struct platform_device *pdev) +static int gpmi_nand_remove(struct platform_device *pdev) { struct gpmi_nand_data *this = platform_get_drvdata(pdev); @@ -1685,7 +1692,7 @@ static struct platform_driver gpmi_nand_driver = { .of_match_table = gpmi_nand_id_table, }, .probe = gpmi_nand_probe, - .remove = __devexit_p(gpmi_nand_remove), + .remove = gpmi_nand_remove, .id_table = gpmi_ids, }; module_platform_driver(gpmi_nand_driver); |