MN10300: Introduce barriers to replace removed volatiles in gdbstub

[linux-2.6-omap-h63xx.git] / drivers / ata / sata_fsl.c

diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 922d7b2efba8cf50b6d2a1b8bb144630474623e1..9323dd0c7d8deefdfa202379e3aeeef174e15e32 100644 (file)
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -355,8 +355,8 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc,
                        ata_port_printk(qc->ap, KERN_ERR,
                                        "s/g len unaligned : 0x%x\n", sg_len);
 
-               if ((num_prde == (SATA_FSL_MAX_PRD_DIRECT - 1)) &&
-                   (qc->n_iter + 1 != qc->n_elem)) {
+               if (num_prde == (SATA_FSL_MAX_PRD_DIRECT - 1) &&
+                   sg_next(sg) != NULL) {
                        VPRINTK("setting indirect prde\n");
                        prd_ptr_to_indirect_ext = prd;
                        prd->dba = cpu_to_le32(indirect_ext_segment_paddr);
@@ -601,21 +601,9 @@ static int sata_fsl_port_start(struct ata_port *ap)
        if (!pp)
                return -ENOMEM;
 
-       /*
-        * allocate per command dma alignment pad buffer, which is used
-        * internally by libATA to ensure that all transfers ending on
-        * unaligned boundaries are padded, to align on Dword boundaries
-        */
-       retval = ata_pad_alloc(ap, dev);
-       if (retval) {
-               kfree(pp);
-               return retval;
-       }
-
        mem = dma_alloc_coherent(dev, SATA_FSL_PORT_PRIV_DMA_SZ, &mem_dma,
                                 GFP_KERNEL);
        if (!mem) {
-               ata_pad_free(ap, dev);
                kfree(pp);
                return -ENOMEM;
        }
@@ -694,7 +682,6 @@ static void sata_fsl_port_stop(struct ata_port *ap)
        dma_free_coherent(dev, SATA_FSL_PORT_PRIV_DMA_SZ,
                          pp->cmdslot, pp->cmdslot_paddr);
 
-       ata_pad_free(ap, dev);
        kfree(pp);
 }