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spi: pxa2xx: Rewrite switch code block in interrupt_transfer 

Rewrite switch code block to directly do the expected number
of shifts in each case and have break statements.

Addresses-Coverity-ID: 1056539 ("Missing break in switch")
Suggested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2018-10-03 17:55:22 +02:00 committed by Mark Brown
parent c24bfa8f21
commit 2c1833767b
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GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 1 deletions
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4
drivers/spi/spi-pxa2xx.c
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@ -665,9 +665,11 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data)
bytes_left = drv_data->rx_end - drv_data->rx;
switch (drv_data->n_bytes) {
case 4:
bytes_left >>= 1;
bytes_left >>= 2;
break;
case 2:
bytes_left >>= 1;
break;
}
rx_thre = pxa2xx_spi_get_rx_default_thre(drv_data);