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mxs_spi: Return proper timeout error

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Instead of returning -1, it is preferred to return -ETIMEDOUT in case of timeouts.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Fabio Estevam 2012-03-18 17:23:35 +00:00 committed by Stefano Babic
parent a89300338a
commit d9fb6a4c7e
1 changed files with 3 additions and 3 deletions
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6
drivers/spi/mxs_spi.c
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@ -162,7 +162,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
if (mx28_wait_mask_set(&ssp_regs->hw_ssp_ctrl0_reg,
SSP_CTRL0_RUN, MXS_SPI_MAX_TIMEOUT)) {
printf("MXS SPI: Timeout waiting for start\n");
return -1;
return -ETIMEDOUT;
}
if (tx)
@ -174,7 +174,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
if (mx28_wait_mask_clr(&ssp_regs->hw_ssp_status_reg,
SSP_STATUS_FIFO_EMPTY, MXS_SPI_MAX_TIMEOUT)) {
printf("MXS SPI: Timeout waiting for data\n");
return -1;
return -ETIMEDOUT;
}
*rx = readl(&ssp_regs->hw_ssp_data);
@ -184,7 +184,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
if (mx28_wait_mask_clr(&ssp_regs->hw_ssp_ctrl0_reg,
SSP_CTRL0_RUN, MXS_SPI_MAX_TIMEOUT)) {
printf("MXS SPI: Timeout waiting for finish\n");
return -1;
return -ETIMEDOUT;
}
}