From: Lad Prabhakar Date: Fri, 15 May 2026 11:52:02 +0000 (+0100) Subject: memory: renesas-rpc-if: Fix duplicate device name on multi-instance platforms X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3fcf9f334d272989b57acc7b94d4eac717206118;p=thirdparty%2Flinux.git memory: renesas-rpc-if: Fix duplicate device name on multi-instance platforms On platforms with multiple xSPI instances, the driver fails to probe additional instances due to duplicate sysfs entries: [ 86.878242] sysfs: cannot create duplicate filename '/bus/platform/devices/rpc-if-spi' This occurs because platform_device_alloc() uses pdev->id for the device ID, which may be PLATFORM_DEVID_NONE (-1) for multiple instances, causing all instances to attempt registration with the same name. Fix this by using PLATFORM_DEVID_AUTO instead, which automatically assigns unique IDs to each device instance, allowing multiple xSPI controllers to coexist without naming conflicts. Signed-off-by: Lad Prabhakar Reviewed-by: Wolfram Sang Link: https://patch.msgid.link/20260515115202.1515577-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Krzysztof Kozlowski --- diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c index 0fb568456164..3755956ae906 100644 --- a/drivers/memory/renesas-rpc-if.c +++ b/drivers/memory/renesas-rpc-if.c @@ -1034,7 +1034,7 @@ static int rpcif_probe(struct platform_device *pdev) return dev_err_probe(dev, PTR_ERR(rpc->spi_clk), "cannot get enabled spi clk\n"); - vdev = platform_device_alloc(name, pdev->id); + vdev = platform_device_alloc(name, PLATFORM_DEVID_AUTO); if (!vdev) return -ENOMEM; vdev->dev.parent = dev;