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spi: sh_qspi: Drop SPBDCR wait

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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>
This commit is contained in:
Marek Vasut 2018-04-10 16:54:38 +02:00 committed by Marek Vasut
parent 0e6fa20b14
commit 1182264952
1 changed files with 0 additions and 8 deletions
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8
drivers/spi/sh_qspi.c
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@ -246,14 +246,6 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
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");