spi: Respect DataBitLength field of SpiSerialBusV2() ACPI resource
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Mon, 13 Apr 2020 18:04:06 +0000 (21:04 +0300)
committerMark Brown <broonie@kernel.org>
Tue, 14 Apr 2020 11:39:38 +0000 (12:39 +0100)
By unknown reason the commit 64bee4d28c9e
  ("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: 64bee4d28c9e ("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>
drivers/spi/spi.c

index 0996d23..531d1de 100644 (file)
@@ -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;