spi: sh_qspi: Drop SPBDCR wait
Waiting for SPBDCR == 1 is not required and is covered by the
subsequent wait for SPSR_SPRFF, so drop this.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
diff --git a/drivers/spi/sh_qspi.c b/drivers/spi/sh_qspi.c
index fc0e1fc..8eaa674 100644
--- a/drivers/spi/sh_qspi.c
+++ b/drivers/spi/sh_qspi.c
@@ -246,14 +246,6 @@
writeb(*tdata, (u8 *)(&ss->regs->spdr));
- while ((readw(&ss->regs->spbdcr) != SPBDCR_RXBC0)) {
- if (ctrlc()) {
- puts("abort\n");
- return 1;
- }
- udelay(1);
- }
-
while (!(readb(&ss->regs->spsr) & SPSR_SPRFF)) {
if (ctrlc()) {
puts("abort\n");