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| /openbmc/linux/drivers/mmc/host/ |
| H A D | of_mmc_spi.c | 073350f7 Wed Jan 30 11:05:08 CST 2013 Roland Stigge <stigge@antcom.de> mmc: mmc_spi: Fix return value evaluation of irq_of_parse_and_map()
When irq_of_parse_and_map() returns an error, it does as zero. But in
mmc_spi_get_pdata(), the error return case is compared against NO_IRQ.
This might work where NO_IRQ is zero (defaults to zero when undefined,
as on MIPS) but not where NO_IRQ is different, e.g. on ARM where it's -1.
This patch changes to comparison with 0 which is the error return value
of irq_of_parse_and_map().
Tested on ARM that mmc_spi is working now.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
073350f7 Wed Jan 30 11:05:08 CST 2013 Roland Stigge <stigge@antcom.de> mmc: mmc_spi: Fix return value evaluation of irq_of_parse_and_map()
When irq_of_parse_and_map() returns an error, it does as zero. But in
mmc_spi_get_pdata(), the error return case is compared against NO_IRQ.
This might work where NO_IRQ is zero (defaults to zero when undefined,
as on MIPS) but not where NO_IRQ is different, e.g. on ARM where it's -1.
This patch changes to comparison with 0 which is the error return value
of irq_of_parse_and_map().
Tested on ARM that mmc_spi is working now.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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