diff options
Diffstat (limited to 'drivers/mmc/imx_esdhc.c')
| -rw-r--r-- | drivers/mmc/imx_esdhc.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/mmc/imx_esdhc.c b/drivers/mmc/imx_esdhc.c index 39a0b49..95eee80 100644 --- a/drivers/mmc/imx_esdhc.c +++ b/drivers/mmc/imx_esdhc.c @@ -1,6 +1,6 @@ /* - * (C) Copyright 2008-2009 Freescale Semiconductor, Inc. - * Terry Lv + * (C) Copyright 2008-2010 Freescale Semiconductor, Inc. + * Terry Lv, Jason Liu * * Copyright 2007, Freescale Semiconductor, Inc * Andy Fleming @@ -184,7 +184,7 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) /* Wait for the bus to be idle */ while ((readl(®s->prsstat) & PRSSTAT_CICHB) || (readl(®s->prsstat) & PRSSTAT_CIDHB)) - mdelay(1); + ; while (readl(®s->prsstat) & PRSSTAT_DLA); @@ -193,7 +193,7 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) * Note: This is way more than 8 cycles, but 1ms seems to * resolve timing issues with some cards */ - mdelay(10); + udelay(1000); /* Set up for a data transfer if we have one */ if (data) { @@ -211,8 +211,6 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) writel(cmd->cmdarg, ®s->cmdarg); writel(xfertyp, ®s->xfertyp); - mdelay(10); - /* Mask all irqs */ writel(0, ®s->irqsigen); @@ -258,7 +256,7 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) for (i = 0; i < (block_cnt); ++i) { while (!(readl(®s->irqstat) & IRQSTAT_BRR)) - mdelay(1); + ; for (j = 0; j < (block_size >> 2); ++j, ++tmp_ptr) { *tmp_ptr = readl(®s->datport); @@ -271,8 +269,8 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) tmp_ptr = (u32 *)data->src; for (i = 0; i < (block_cnt); ++i) { - while (!(readl(®s->irqstat) & IRQSTAT_BWR)) - mdelay(1); + while (!(readl(®s->irqstat) & IRQSTAT_BWR)) + ; for (j = 0; j < (block_size >> 2); ++j, ++tmp_ptr) { writel(*tmp_ptr, ®s->datport); |