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Exynos5420: Make SPI driver less chatty

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Only have the SPI driver produce output when CONFIG_DEBUG_SPI is
enabled.

BRANCH=none
TEST=booted on Pit, saw SPI messages from spi_claim_bus() go away
BUG=none

Change-Id: Ib911182b9b6a85e1a7b308f03c9b1bdba2fa0bf4
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: https://chromium-review.googlesource.com/170026
Tested-by: Stefan Reinauer <reinauer@chromium.org>
Reviewed-by: David Hendrix <dhendrix@chromium.org>
This commit is contained in:
Stefan Reinauer 2013-09-19 11:37:39 -07:00 • committed by chrome-internal-fetch
commit 848c8a8a49
1 changed files with 2 additions and 2 deletions
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4
src/cpu/samsung/exynos5420/spi.c
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@ -251,10 +251,10 @@ int spi_claim_bus(struct spi_slave *slave)
// HIGH speed is required for Tx/Rx to work in 50MHz (SCP 30.2.1.6).
if (espi->half_duplex) {
clrbits_le32(&regs->ch_cfg, SPI_CH_HS_EN);
printk(BIOS_DEBUG, "%s: LOW speed.\n", __func__);
DEBUG_SPI("%s: LOW speed.\n", __func__);
} else {
setbits_le32(&regs->ch_cfg, SPI_CH_HS_EN);
printk(BIOS_DEBUG, "%s: HIGH speed.\n", __func__);
DEBUG_SPI("%s: HIGH speed.\n", __func__);
}
return 0;
}