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ahci: Improve AHCI debugging

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- 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>
This commit is contained in:
Stefan Reinauer 2012-10-29 05:23:50 +00:00 committed by Tom Rini
parent 9a65b8754c
commit 7ba7917c91
1 changed files with 2 additions and 1 deletions
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3
drivers/block/ahci.c
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@ -68,7 +68,6 @@ static void ahci_setup_port(struct ahci_ioports *port, unsigned long base,
#define msleep(a) udelay(a * 1000) #define msleep(a) udelay(a * 1000)
#define ssleep(a) msleep(a * 1000)
static int waiting_for_cmd_completed(volatile u8 *offset, static int waiting_for_cmd_completed(volatile u8 *offset,
int timeout_msec, int timeout_msec,
@ -153,6 +152,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
tmp = readl(port_mmio + PORT_CMD); tmp = readl(port_mmio + PORT_CMD);
if (tmp & (PORT_CMD_LIST_ON | PORT_CMD_FIS_ON | if (tmp & (PORT_CMD_LIST_ON | PORT_CMD_FIS_ON |
PORT_CMD_FIS_RX | PORT_CMD_START)) { PORT_CMD_FIS_RX | PORT_CMD_START)) {
debug("Port %d is active. Deactivating.\n", i);
tmp &= ~(PORT_CMD_LIST_ON | PORT_CMD_FIS_ON | tmp &= ~(PORT_CMD_LIST_ON | PORT_CMD_FIS_ON |
PORT_CMD_FIS_RX | PORT_CMD_START); PORT_CMD_FIS_RX | PORT_CMD_START);
writel_with_flush(tmp, port_mmio + PORT_CMD); 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); msleep(500);
} }
debug("Spinning up port %d... ", i);
writel(PORT_CMD_SPIN_UP, port_mmio + PORT_CMD); writel(PORT_CMD_SPIN_UP, port_mmio + PORT_CMD);
j = 0; j = 0;