From: Balaji T K balajitk@ti.com
Git rid of hardcoded tx/rx DMA channels based on pdev->id and use platform_get_resource_byname() to retrieve them instead.
Signed-off-by: Balaji T K balajitk@ti.com Signed-off-by: Rajendra Nayak rnayak@ti.com Tested-by: Venkatraman S svenkatr@ti.com --- drivers/mmc/host/omap_hsmmc.c | 35 +++++++++++------------------------ 1 files changed, 11 insertions(+), 24 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index fd0c661..2a660ab 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1977,32 +1977,19 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
omap_hsmmc_conf_bus_power(host);
- /* Select DMA lines */ - switch (host->id) { - case OMAP_MMC1_DEVID: - host->dma_line_tx = OMAP24XX_DMA_MMC1_TX; - host->dma_line_rx = OMAP24XX_DMA_MMC1_RX; - break; - case OMAP_MMC2_DEVID: - host->dma_line_tx = OMAP24XX_DMA_MMC2_TX; - host->dma_line_rx = OMAP24XX_DMA_MMC2_RX; - break; - case OMAP_MMC3_DEVID: - host->dma_line_tx = OMAP34XX_DMA_MMC3_TX; - host->dma_line_rx = OMAP34XX_DMA_MMC3_RX; - break; - case OMAP_MMC4_DEVID: - host->dma_line_tx = OMAP44XX_DMA_MMC4_TX; - host->dma_line_rx = OMAP44XX_DMA_MMC4_RX; - break; - case OMAP_MMC5_DEVID: - host->dma_line_tx = OMAP44XX_DMA_MMC5_TX; - host->dma_line_rx = OMAP44XX_DMA_MMC5_RX; - break; - default: - dev_err(mmc_dev(host->mmc), "Invalid MMC id\n"); + res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx"); + if (!res) { + dev_err(mmc_dev(host->mmc), "cannot get DMA TX channel\n"); + goto err_irq; + } + host->dma_line_tx = res->start; + + res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx"); + if (!res) { + dev_err(mmc_dev(host->mmc), "cannot get DMA RX channel\n"); goto err_irq; } + host->dma_line_rx = res->start;
/* Request IRQ for MMC operations */ ret = request_irq(host->irq, omap_hsmmc_irq, 0,