Commit 1cc9fc53 authored by Alexander Aring's avatar Alexander Aring Committed by David S. Miller
Browse files

at86rf230: remove unnecessary state read



This patch removes a unnecessary state read. The status value is never
evaluate after reading the state.

Also rename the status variable to dvdd, because this variable will be
used later.
Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 57e48ffc
......@@ -969,13 +969,9 @@ static int at86rf230_irq_polarity(struct at86rf230_local *lp, int pol)
static int at86rf230_hw_init(struct at86rf230_local *lp)
{
int rc, irq_pol, irq_type;
u8 status;
u8 dvdd;
u8 csma_seed[2];
rc = at86rf230_read_subreg(lp, SR_TRX_STATUS, &status);
if (rc)
return rc;
rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_FORCE_TRX_OFF);
if (rc)
return rc;
......@@ -1015,10 +1011,10 @@ static int at86rf230_hw_init(struct at86rf230_local *lp)
/* Wait the next SLEEP cycle */
msleep(100);
rc = at86rf230_read_subreg(lp, SR_DVDD_OK, &status);
rc = at86rf230_read_subreg(lp, SR_DVDD_OK, &dvdd);
if (rc)
return rc;
if (!status) {
if (!dvdd) {
dev_err(&lp->spi->dev, "DVDD error\n");
return -EINVAL;
}
......
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