Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
struct ssp_device *ssp = dev->ssp;
int timeout = TIMEOUT * 2;
struct ssp_device *ssp = dev->ssp;
int timeout = TIMEOUT * 2;
+ /* ensure TX FIFO is empty instead of not full */
+ if (cpu_is_pxa3xx()) {
+ while (__raw_readl(ssp->mmio_base + SSSR) & 0xf00) {
+ if (!--timeout)
+ return -ETIMEDOUT;
+ cpu_relax();
+ }
+ timeout = TIMEOUT * 2;
+ }
+
do {
while (__raw_readl(ssp->mmio_base + SSSR) & SSSR_RNE) {
if (!--timeout)
do {
while (__raw_readl(ssp->mmio_base + SSSR) & SSSR_RNE) {
if (!--timeout)