brcm2708: remove linux 3.10 support
[openwrt.git] / target / linux / brcm2708 / patches-3.10 / 0021-sdhci-bcm2708-use-extension-FIFO-to-buffer-DMA-trans.patch
diff --git a/target/linux/brcm2708/patches-3.10/0021-sdhci-bcm2708-use-extension-FIFO-to-buffer-DMA-trans.patch b/target/linux/brcm2708/patches-3.10/0021-sdhci-bcm2708-use-extension-FIFO-to-buffer-DMA-trans.patch
deleted file mode 100644 (file)
index 35c26cd..0000000
+++ /dev/null
@@ -1,54 +0,0 @@
-From b802bfd3bb337e92226bd521f8ebbbcfc6642333 Mon Sep 17 00:00:00 2001
-From: popcornmix <popcornmix@gmail.com>
-Date: Sun, 12 May 2013 12:25:52 +0100
-Subject: [PATCH 021/196] sdhci-bcm2708: use extension FIFO to buffer DMA
- transfers
-
-The additional FIFO might speed up transfers in some cases.
----
- drivers/mmc/host/sdhci-bcm2708.c | 11 +++++++++++
- 1 file changed, 11 insertions(+)
-
-diff --git a/drivers/mmc/host/sdhci-bcm2708.c b/drivers/mmc/host/sdhci-bcm2708.c
-index 3792b9f..326b962 100644
---- a/drivers/mmc/host/sdhci-bcm2708.c
-+++ b/drivers/mmc/host/sdhci-bcm2708.c
-@@ -74,6 +74,9 @@
- /* Mhz clock that the EMMC core is running at. Should match the platform clockman settings */
- #define BCM2708_EMMC_CLOCK_FREQ 50000000
-+#define REG_EXRDFIFO_EN     0x80
-+#define REG_EXRDFIFO_CFG    0x84
-+
- /*****************************************************************************\
-  *                                                                         *
-  * Debug                                                                   *
-@@ -957,10 +960,12 @@ static ssize_t attr_dma_store(struct device *_dev,
-               int on = simple_strtol(buf, NULL, 0);
-               if (on) {
-                       host->flags |= SDHCI_USE_PLATDMA;
-+                      sdhci_bcm2708_writel(host, 1, REG_EXRDFIFO_EN);
-                       printk(KERN_INFO "%s: DMA enabled\n",
-                              mmc_hostname(host->mmc));
-               } else {
-                       host->flags &= ~(SDHCI_USE_PLATDMA | SDHCI_REQ_USE_DMA);
-+                      sdhci_bcm2708_writel(host, 0, REG_EXRDFIFO_EN);
-                       printk(KERN_INFO "%s: DMA disabled\n",
-                              mmc_hostname(host->mmc));
-               }
-@@ -1272,6 +1277,12 @@ static int sdhci_bcm2708_probe(struct platform_device *pdev)
-       ret = device_create_file(&pdev->dev, &dev_attr_dma_wait);
-       ret = device_create_file(&pdev->dev, &dev_attr_status);
-+#ifdef CONFIG_MMC_SDHCI_BCM2708_DMA
-+      /* enable extension fifo for paced DMA transfers */
-+      sdhci_bcm2708_writel(host, 1, REG_EXRDFIFO_EN);
-+      sdhci_bcm2708_writel(host, 4, REG_EXRDFIFO_CFG);
-+#endif
-+
-       printk(KERN_INFO "%s: BCM2708 SDHC host at 0x%08llx DMA %d IRQ %d\n",
-              mmc_hostname(host->mmc), (unsigned long long)iomem->start,
-              host_priv->dma_chan, host_priv->dma_irq);
--- 
-1.9.1
-