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update rk29 sdmmc

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This commit is contained in:
lhh
2010-12-09 15:26:53 +08:00
parent 3bf91b51f1
commit fb271cf653
1 changed files with 5 additions and 2 deletions
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7
drivers/mmc/host/rk29_sdmmc.c
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@@ -342,7 +342,7 @@ static u32 rk29_sdmmc_prepare_command(struct mmc_host *mmc,
static void rk29_sdmmc_start_command(struct rk29_sdmmc *host,
struct mmc_command *cmd, u32 cmd_flags)
{
int tmo = 50;
int tmo = 5000;
host->cmd = cmd;
dev_vdbg(&host->pdev->dev,
"start cmd:%d ARGR=0x%08x CMDR=0x%08x\n",
@@ -353,6 +353,9 @@ static void rk29_sdmmc_start_command(struct rk29_sdmmc *host,
/* wait until CIU accepts the command */
while (--tmo && (rk29_sdmmc_read(host->regs, SDMMC_CMD) & SDMMC_CMD_START))
cpu_relax();
if(!tmo){
printk("Enter:%s %d start tmo err!!\n",__FUNCTION__,__LINE__);
}
}
static void send_stop_cmd(struct rk29_sdmmc *host, struct mmc_data *data)
@@ -1309,7 +1312,7 @@ static int rk29_sdmmc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, host);
mmc->ops = &rk29_sdmmc_ops[pdev->id];
mmc->f_min = host->bus_hz/510;
mmc->f_max = host->bus_hz/2; //2; ///20; //max f is clock to mmc_clk/2
mmc->f_max = host->bus_hz/4; //2; ///20; //max f is clock to mmc_clk/2
mmc->ocr_avail = pdata->host_ocr_avail;
mmc->caps = pdata->host_caps;
mmc->max_phys_segs = 64;