linux-kernel - [PATCH v2 2/2] mfd: ls2kbmc: Use PCI API instead of direct accesses

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Message-ID: <20251113162713.3143777-3-andriy.shevchenko@linux.intel.com>
Date: Thu, 13 Nov 2025 17:22:51 +0100
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Binbin Zhou <zhoubinbin@...ngson.cn>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Cc: Chong Qiao <qiaochong@...ngson.cn>,
	Lee Jones <lee@...nel.org>
Subject: [PATCH v2 2/2] mfd: ls2kbmc: Use PCI API instead of direct accesses

There is a PCI API to access device resources. Use it instead of
direct accesses.

Reviewed-by: Binbin Zhou <zhoubinbin@...ngson.cn>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/mfd/ls2k-bmc-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/ls2k-bmc-core.c b/drivers/mfd/ls2k-bmc-core.c
index 1d8be9cdb3a8..7be8ddc520ac 100644
--- a/drivers/mfd/ls2k-bmc-core.c
+++ b/drivers/mfd/ls2k-bmc-core.c
@@ -484,7 +484,7 @@ static int ls2k_bmc_probe(struct pci_dev *dev, const struct pci_device_id *id)
 
 	ls2k_bmc_cells[LS2K_BMC_DISPLAY].platform_data = &pd;
 	ls2k_bmc_cells[LS2K_BMC_DISPLAY].pdata_size = sizeof(pd);
-	base = dev->resource[0].start + LS2K_DISPLAY_RES_START;
+	base = pci_resource_start(dev, 0) + LS2K_DISPLAY_RES_START;
 
 	/* Remove conflicting efifb device */
 	ret = aperture_remove_conflicting_devices(base, SZ_4M, "simple-framebuffer");
@@ -493,7 +493,7 @@ static int ls2k_bmc_probe(struct pci_dev *dev, const struct pci_device_id *id)
 
 	return devm_mfd_add_devices(&dev->dev, PLATFORM_DEVID_AUTO,
 				    ls2k_bmc_cells, ARRAY_SIZE(ls2k_bmc_cells),
-				    &dev->resource[0], 0, NULL);
+				    pci_resource_n(dev, 0), 0, NULL);
 }
 
 static struct pci_device_id ls2k_bmc_devices[] = {
-- 
2.50.1