ata: libahci_platform: Remove bogus 32-bit DMA mask attempt

If 64-bit mask attempt fails, the 32-bit will fail by the very same reason.
Don't even try the latter. It's a continuation of the changes that contains,
e.g. dcc02c19cc06 ("sata_sil24: use dma_set_mask_and_coherent").

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>

diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index 0910441..bfa267e 100644 (file)
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -642,13 +642,8 @@ int ahci_platform_init_host(struct platform_device *pdev,
        if (hpriv->cap & HOST_CAP_64) {
                rc = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64));
                if (rc) {
-                       rc = dma_coerce_mask_and_coherent(dev,
-                                                         DMA_BIT_MASK(32));
-                       if (rc) {
-                               dev_err(dev, "Failed to enable 64-bit DMA.\n");
-                               return rc;
-                       }
-                       dev_warn(dev, "Enable 32-bit DMA instead of 64-bit.\n");
+                       dev_err(dev, "Failed to enable 64-bit DMA.\n");
+                       return rc;
                }
        }