[linux-yocto] [PATCH 14/29] mfd: intel_quark_i2c_gpio: load gpio driver first

Saul Wold sgw at linux.intel.com
Fri Feb 5 06:53:31 PST 2016


From: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

On Intel Galileo boards the GPIO expander is connected to i2c bus. Moreover it
is able to generate interrupt, but interrupt line is connected to GPIO. That's
why we have to have GPIO driver in place when we will probe i2c host with
device connected to it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

Upstream-status: Submitted
Signed-off-by: Saul Wold <sgw at linux.intel.com>
---
 drivers/mfd/intel_quark_i2c_gpio.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/mfd/intel_quark_i2c_gpio.c b/drivers/mfd/intel_quark_i2c_gpio.c
index 1ce1603..e7c395e 100644
--- a/drivers/mfd/intel_quark_i2c_gpio.c
+++ b/drivers/mfd/intel_quark_i2c_gpio.c
@@ -90,19 +90,19 @@ static struct resource intel_quark_gpio_res[] = {
 
 static struct mfd_cell intel_quark_mfd_cells[] = {
 	{
-		.id = MFD_I2C_BAR,
-		.name = "i2c_designware",
-		.num_resources = ARRAY_SIZE(intel_quark_i2c_res),
-		.resources = intel_quark_i2c_res,
-		.ignore_resource_conflicts = true,
-	},
-	{
 		.id = MFD_GPIO_BAR,
 		.name = "gpio-dwapb",
 		.num_resources = ARRAY_SIZE(intel_quark_gpio_res),
 		.resources = intel_quark_gpio_res,
 		.ignore_resource_conflicts = true,
 	},
+	{
+		.id = MFD_I2C_BAR,
+		.name = "i2c_designware",
+		.num_resources = ARRAY_SIZE(intel_quark_i2c_res),
+		.resources = intel_quark_i2c_res,
+		.ignore_resource_conflicts = true,
+	},
 };
 
 static const struct pci_device_id intel_quark_mfd_ids[] = {
@@ -248,12 +248,12 @@ static int intel_quark_mfd_probe(struct pci_dev *pdev,
 
 	dev_set_drvdata(&pdev->dev, quark_mfd);
 
-	ret = intel_quark_i2c_setup(pdev, &intel_quark_mfd_cells[MFD_I2C_BAR]);
+	ret = intel_quark_i2c_setup(pdev, &intel_quark_mfd_cells[1]);
 	if (ret)
 		return ret;
 
 	ret = intel_quark_gpio_setup(pdev,
-				     &intel_quark_mfd_cells[MFD_GPIO_BAR]);
+				     &intel_quark_mfd_cells[0]);
 	if (ret)
 		return ret;
 
-- 
2.5.0



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