ahci: Improve AHCI debugging

- remove unused ssleep macro
- add some useful debugging information

Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index ad397dcb6a1a3fa92c3efad710a8851dfb286a3d..af31c97533257a572b931b4927b6885f189cdbe7 100644 (file)
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -68,7 +68,6 @@ static void ahci_setup_port(struct ahci_ioports *port, unsigned long base,
 
 
 #define msleep(a) udelay(a * 1000)
-#define ssleep(a) msleep(a * 1000)
 
 static int waiting_for_cmd_completed(volatile u8 *offset,
                                     int timeout_msec,
@@ -153,6 +152,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
                tmp = readl(port_mmio + PORT_CMD);
                if (tmp & (PORT_CMD_LIST_ON | PORT_CMD_FIS_ON |
                           PORT_CMD_FIS_RX | PORT_CMD_START)) {
+                       debug("Port %d is active. Deactivating.\n", i);
                        tmp &= ~(PORT_CMD_LIST_ON | PORT_CMD_FIS_ON |
                                 PORT_CMD_FIS_RX | PORT_CMD_START);
                        writel_with_flush(tmp, port_mmio + PORT_CMD);
@@ -163,6 +163,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
                        msleep(500);
                }
 
+               debug("Spinning up port %d... ", i);
                writel(PORT_CMD_SPIN_UP, port_mmio + PORT_CMD);
 
                j = 0;