mmc: atmel-mci: not busy flag has also to be used for read operations

[karo-tx-linux.git] / drivers / mmc / host / atmel-mci.c

diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 322412cec4eeb8ca6970d2d12f37c7c83bbba42e..a53c7c478e054c8c47df5a5a219a2b1ed1e6836b 100644 (file)
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -81,6 +81,7 @@ struct atmel_mci_caps {
        bool    has_bad_data_ordering;
        bool    need_reset_after_xfer;
        bool    need_blksz_mul_4;
+       bool    need_notbusy_for_read_ops;
 };
 
 struct atmel_mci_dma {
@@ -1625,7 +1626,8 @@ static void atmci_tasklet_func(unsigned long priv)
                                __func__);
                        atmci_set_completed(host, EVENT_XFER_COMPLETE);
 
-                       if (host->data->flags & MMC_DATA_WRITE) {
+                       if (host->caps.need_notbusy_for_read_ops ||
+                          (host->data->flags & MMC_DATA_WRITE)) {
                                atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY);
                                state = STATE_WAITING_NOTBUSY;
                        } else if (host->mrq->stop) {
@@ -2218,6 +2220,7 @@ static void __init atmci_get_cap(struct atmel_mci *host)
        host->caps.has_bad_data_ordering = 1;
        host->caps.need_reset_after_xfer = 1;
        host->caps.need_blksz_mul_4 = 1;
+       host->caps.need_notbusy_for_read_ops = 0;
 
        /* keep only major version number */
        switch (version & 0xf00) {
@@ -2238,6 +2241,7 @@ static void __init atmci_get_cap(struct atmel_mci *host)
        case 0x200:
                host->caps.has_rwproof = 1;
                host->caps.need_blksz_mul_4 = 0;
+               host->caps.need_notbusy_for_read_ops = 1;
        case 0x100:
                host->caps.has_bad_data_ordering = 0;
                host->caps.need_reset_after_xfer = 0;