diff options
Diffstat (limited to 'drivers/mmc/host/omap.c')
| -rw-r--r-- | drivers/mmc/host/omap.c | 53 |
1 files changed, 28 insertions, 25 deletions
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 50e08f03aa6..48ad361613e 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -27,18 +27,10 @@ #include <linux/mmc/card.h> #include <linux/clk.h> #include <linux/scatterlist.h> -#include <linux/i2c/tps65010.h> #include <linux/slab.h> -#include <asm/io.h> -#include <asm/irq.h> - -#include <plat/board.h> #include <plat/mmc.h> -#include <asm/gpio.h> #include <plat/dma.h> -#include <plat/mux.h> -#include <plat/fpga.h> #define OMAP_MMC_REG_CMD 0x00 #define OMAP_MMC_REG_ARGL 0x01 @@ -107,7 +99,6 @@ struct mmc_omap_slot { u16 saved_con; u16 bus_mode; unsigned int fclk_freq; - unsigned powered:1; struct tasklet_struct cover_tasklet; struct timer_list cover_timer; @@ -139,7 +130,6 @@ struct mmc_omap_host { unsigned int phys_base; int irq; unsigned char bus_mode; - unsigned char hw_bus_mode; unsigned int reg_shift; struct work_struct cmd_abort_work; @@ -668,7 +658,7 @@ mmc_omap_clk_timer(unsigned long data) static void mmc_omap_xfer_data(struct mmc_omap_host *host, int write) { - int n; + int n, nwords; if (host->buffer_bytes_left == 0) { host->sg_idx++; @@ -678,33 +668,48 @@ mmc_omap_xfer_data(struct mmc_omap_host *host, int write) n = 64; if (n > host->buffer_bytes_left) n = host->buffer_bytes_left; + + nwords = n / 2; + nwords += n & 1; /* handle odd number of bytes to transfer */ + host->buffer_bytes_left -= n; host->total_bytes_left -= n; host->data->bytes_xfered += n; if (write) { - __raw_writesw(host->virt_base + OMAP_MMC_REG(host, DATA), host->buffer, n); + __raw_writesw(host->virt_base + OMAP_MMC_REG(host, DATA), + host->buffer, nwords); } else { - __raw_readsw(host->virt_base + OMAP_MMC_REG(host, DATA), host->buffer, n); + __raw_readsw(host->virt_base + OMAP_MMC_REG(host, DATA), + host->buffer, nwords); } + + host->buffer += nwords; } -static inline void mmc_omap_report_irq(u16 status) +#ifdef CONFIG_MMC_DEBUG +static void mmc_omap_report_irq(struct mmc_omap_host *host, u16 status) { static const char *mmc_omap_status_bits[] = { "EOC", "CD", "CB", "BRS", "EOFB", "DTO", "DCRC", "CTO", "CCRC", "CRW", "AF", "AE", "OCRB", "CIRQ", "CERR" }; - int i, c = 0; + int i; + char res[64], *buf = res; + + buf += sprintf(buf, "MMC IRQ 0x%x:", status); for (i = 0; i < ARRAY_SIZE(mmc_omap_status_bits); i++) - if (status & (1 << i)) { - if (c) - printk(" "); - printk("%s", mmc_omap_status_bits[i]); - c++; - } + if (status & (1 << i)) + buf += sprintf(buf, " %s", mmc_omap_status_bits[i]); + dev_vdbg(mmc_dev(host->mmc), "%s\n", res); } +#else +static void mmc_omap_report_irq(struct mmc_omap_host *host, u16 status) +{ +} +#endif + static irqreturn_t mmc_omap_irq(int irq, void *dev_id) { @@ -738,12 +743,10 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) cmd = host->cmd->opcode; else cmd = -1; -#ifdef CONFIG_MMC_DEBUG dev_dbg(mmc_dev(host->mmc), "MMC IRQ %04x (CMD %d): ", status, cmd); - mmc_omap_report_irq(status); - printk("\n"); -#endif + mmc_omap_report_irq(host, status); + if (host->total_bytes_left) { if ((status & OMAP_MMC_STAT_A_FULL) || (status & OMAP_MMC_STAT_END_OF_DATA)) |