spi: Respect DataBitLength field of SpiSerialBusV2() ACPI resource

andy-shev · broonie · commit 0dadde344d96 · 2020-04-14T12:39:38.000+01:00
By unknown reason the commit 64bee4d ("spi / ACPI: add ACPI enumeration support") missed the DataBitLength property to encounter when parse SPI slave device data from ACPI. Fill the gap here. Fixes: 64bee4d ("spi / ACPI: add ACPI enumeration support") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20200413180406.1826-1-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
@@ -2111,6 +2111,7 @@ static int acpi_spi_add_resource(struct acpi_resource *ares, void *data)
 			}
 
 			lookup->max_speed_hz = sb->connection_speed;
+			lookup->bits_per_word = sb->data_bit_length;
 
 			if (sb->clock_phase == ACPI_SPI_SECOND_PHASE)
 				lookup->mode |= SPI_CPHA;

Original file line number	Diff line number	Diff line change
`@@ -2111,6 +2111,7 @@ static int acpi_spi_add_resource(struct acpi_resource ares, void data)`
`2111`	`2111`	`}`
`2112`	`2112`
`2113`	`2113`	`lookup->max_speed_hz = sb->connection_speed;`
	`2114`	`+ lookup->bits_per_word = sb->data_bit_length;`
`2114`	`2115`
`2115`	`2116`	`if (sb->clock_phase == ACPI_SPI_SECOND_PHASE)`
`2116`	`2117`	`lookup->mode \|= SPI_CPHA;`