treewide: replace #include <asm/errno.h> with <linux/errno.h>

[u-boot] / drivers / mmc / dw_mmc.c

diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index fe2147a226e3c8f946a43c908adbbc306bb17ce9..074f86c502c0d2aed6eb1c2ffeedfe5730fdbc81 100644 (file)
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -13,7 +13,6 @@
 #include <memalign.h>
 #include <mmc.h>
 #include <dwmmc.h>
-#include <asm-generic/errno.h>
 
 #define PAGE_SIZE 4096
 
@@ -120,33 +119,37 @@ static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data)
                }
 
                if (host->fifo_mode && size) {
-                       if (data->flags == MMC_DATA_READ) {
-                               if ((dwmci_readl(host, DWMCI_RINTSTS) &
-                                    DWMCI_INTMSK_RXDR)) {
+                       len = 0;
+                       if (data->flags == MMC_DATA_READ &&
+                           (mask & DWMCI_INTMSK_RXDR)) {
+                               while (size) {
                                        len = dwmci_readl(host, DWMCI_STATUS);
                                        len = (len >> DWMCI_FIFO_SHIFT) &
                                                    DWMCI_FIFO_MASK;
+                                       len = min(size, len);
                                        for (i = 0; i < len; i++)
                                                *buf++ =
                                                dwmci_readl(host, DWMCI_DATA);
-                                       dwmci_writel(host, DWMCI_RINTSTS,
-                                                    DWMCI_INTMSK_RXDR);
+                                       size = size > len ? (size - len) : 0;
                                }
-                       } else {
-                               if ((dwmci_readl(host, DWMCI_RINTSTS) &
-                                    DWMCI_INTMSK_TXDR)) {
+                               dwmci_writel(host, DWMCI_RINTSTS,
+                                            DWMCI_INTMSK_RXDR);
+                       } else if (data->flags == MMC_DATA_WRITE &&
+                                  (mask & DWMCI_INTMSK_TXDR)) {
+                               while (size) {
                                        len = dwmci_readl(host, DWMCI_STATUS);
                                        len = fifo_depth - ((len >>
                                                   DWMCI_FIFO_SHIFT) &
                                                   DWMCI_FIFO_MASK);
+                                       len = min(size, len);
                                        for (i = 0; i < len; i++)
                                                dwmci_writel(host, DWMCI_DATA,
                                                             *buf++);
-                                       dwmci_writel(host, DWMCI_RINTSTS,
-                                                    DWMCI_INTMSK_TXDR);
+                                       size = size > len ? (size - len) : 0;
                                }
+                               dwmci_writel(host, DWMCI_RINTSTS,
+                                            DWMCI_INTMSK_TXDR);
                        }
-                       size = size > len ? (size - len) : 0;
                }
 
                /* Data arrived correctly. */
@@ -159,7 +162,7 @@ static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data)
                if (get_timer(start) > timeout) {
                        debug("%s: Timeout waiting for data!\n",
                              __func__);
-                       ret = TIMEOUT;
+                       ret = -ETIMEDOUT;
                        break;
                }
        }
@@ -195,7 +198,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
        ALLOC_CACHE_ALIGN_BUFFER(struct dwmci_idmac, cur_idmac,
                                 data ? DIV_ROUND_UP(data->blocks, 8) : 0);
        int ret = 0, flags = 0, i;
-       unsigned int timeout = 100000;
+       unsigned int timeout = 500;
        u32 retry = 100000;
        u32 mask, ctrl;
        ulong start = get_timer(0);
@@ -204,7 +207,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
        while (dwmci_readl(host, DWMCI_STATUS) & DWMCI_BUSY) {
                if (get_timer(start) > timeout) {
                        debug("%s: Timeout on data busy\n", __func__);
-                       return TIMEOUT;
+                       return -ETIMEDOUT;
                }
        }
 
@@ -270,7 +273,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 
        if (i == retry) {
                debug("%s: Timeout.\n", __func__);
-               return TIMEOUT;
+               return -ETIMEDOUT;
        }
 
        if (mask & DWMCI_INTMSK_RTO) {
@@ -283,7 +286,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
                 * CMD8, please keep that in mind.
                 */
                debug("%s: Response Timeout.\n", __func__);
-               return TIMEOUT;
+               return -ETIMEDOUT;
        } else if (mask & DWMCI_INTMSK_RE) {
                debug("%s: Response Error.\n", __func__);
                return -EIO;