diff mbox series

[1/2] spi: intel: Add default partition and name to the second chip

Message ID 20240201121638.207632-1-mika.westerberg@linux.intel.com
State Accepted
Commit e58db3bcd93b9e0bf5068a29f7e1a97c29926830
Headers show
Series [1/2] spi: intel: Add default partition and name to the second chip | expand

Commit Message

Mika Westerberg Feb. 1, 2024, 12:16 p.m. UTC 
This should make it easier to identify the second chip and also allows
using "mtdparts=" and the like with this chip too.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
 drivers/spi/spi-intel.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/spi/spi-intel.c b/drivers/spi/spi-intel.c
index 3654ae35d2db..467d39bf00b4 100644
--- a/drivers/spi/spi-intel.c
+++ b/drivers/spi/spi-intel.c
@@ -1346,6 +1346,7 @@  static int intel_spi_read_desc(struct intel_spi *ispi)
 static int intel_spi_populate_chip(struct intel_spi *ispi)
 {
 	struct flash_platform_data *pdata;
+	struct mtd_partition *parts;
 	struct spi_board_info chip;
 	int ret;
 
@@ -1376,7 +1377,23 @@  static int intel_spi_populate_chip(struct intel_spi *ispi)
 	if (ispi->host->num_chipselect < 2)
 		return 0;
 
-	chip.platform_data = NULL;
+	pdata = devm_kzalloc(ispi->dev, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata)
+		return -ENOMEM;
+
+	pdata->name = devm_kasprintf(ispi->dev, GFP_KERNEL, "%s-chip1",
+				     dev_name(ispi->dev));
+	pdata->nr_parts = 1;
+	parts = devm_kcalloc(ispi->dev, pdata->nr_parts, sizeof(*parts),
+			     GFP_KERNEL);
+	if (!parts)
+		return -ENOMEM;
+
+	parts[0].size = MTDPART_SIZ_FULL;
+	parts[0].name = "BIOS1";
+	pdata->parts = parts;
+
+	chip.platform_data = pdata;
 	chip.chip_select = 1;
 
 	if (!spi_new_device(ispi->host, &chip))