diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-cns3xxx.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-cns3xxx.c | 48 |
1 files changed, 36 insertions, 12 deletions
diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c index 9ebd1d7759d..14b74075589 100644 --- a/drivers/mmc/host/sdhci-cns3xxx.c +++ b/drivers/mmc/host/sdhci-cns3xxx.c @@ -15,9 +15,7 @@ #include <linux/delay.h> #include <linux/device.h> #include <linux/mmc/host.h> -#include <linux/mmc/sdhci-pltfm.h> -#include <mach/cns3xxx.h> -#include "sdhci.h" +#include <linux/module.h> #include "sdhci-pltfm.h" static unsigned int sdhci_cns3xxx_get_max_clk(struct sdhci_host *host) @@ -32,13 +30,12 @@ static void sdhci_cns3xxx_set_clock(struct sdhci_host *host, unsigned int clock) u16 clk; unsigned long timeout; - if (clock == host->clock) - return; + host->mmc->actual_clock = 0; sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); if (clock == 0) - goto out; + return; while (host->max_clk / div > clock) { /* @@ -77,21 +74,48 @@ static void sdhci_cns3xxx_set_clock(struct sdhci_host *host, unsigned int clock) clk |= SDHCI_CLOCK_CARD_EN; sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); -out: - host->clock = clock; } -static struct sdhci_ops sdhci_cns3xxx_ops = { +static const struct sdhci_ops sdhci_cns3xxx_ops = { .get_max_clock = sdhci_cns3xxx_get_max_clk, .set_clock = sdhci_cns3xxx_set_clock, + .set_bus_width = sdhci_set_bus_width, + .reset = sdhci_reset, + .set_uhs_signaling = sdhci_set_uhs_signaling, }; -struct sdhci_pltfm_data sdhci_cns3xxx_pdata = { +static const struct sdhci_pltfm_data sdhci_cns3xxx_pdata = { .ops = &sdhci_cns3xxx_ops, .quirks = SDHCI_QUIRK_BROKEN_DMA | SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | SDHCI_QUIRK_INVERTED_WRITE_PROTECT | SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | - SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | - SDHCI_QUIRK_NONSTANDARD_CLOCK, + SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, +}; + +static int sdhci_cns3xxx_probe(struct platform_device *pdev) +{ + return sdhci_pltfm_register(pdev, &sdhci_cns3xxx_pdata, 0); +} + +static int sdhci_cns3xxx_remove(struct platform_device *pdev) +{ + return sdhci_pltfm_unregister(pdev); +} + +static struct platform_driver sdhci_cns3xxx_driver = { + .driver = { + .name = "sdhci-cns3xxx", + .owner = THIS_MODULE, + .pm = SDHCI_PLTFM_PMOPS, + }, + .probe = sdhci_cns3xxx_probe, + .remove = sdhci_cns3xxx_remove, }; + +module_platform_driver(sdhci_cns3xxx_driver); + +MODULE_DESCRIPTION("SDHCI driver for CNS3xxx"); +MODULE_AUTHOR("Scott Shu, " + "Anton Vorontsov <avorontsov@mvista.com>"); +MODULE_LICENSE("GPL v2"); |