linux-kernel - [PATCH] usb: gadget: udc: amd5536 depends on HAS

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Message-Id: <20220709013601.7536-1-rdunlap@infradead.org>
Date:   Fri,  8 Jul 2022 18:36:01 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Raviteja Garimella <raviteja.garimella@...adcom.com>,
        Felipe Balbi <balbi@...nel.org>, linux-usb@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH] usb: gadget: udc: amd5536 depends on HAS_DMA

USB_AMD5536UDC should depend on HAS_DMA since it selects USB_SNP_CORE,
which depends on HAS_DMA and since 'select' does not follow any
dependency chains.

Fixes this kconfig warning:

WARNING: unmet direct dependencies detected for USB_SNP_CORE
  Depends on [n]: USB_SUPPORT [=y] && USB_GADGET [=y] && (USB_AMD5536UDC [=y] || USB_SNP_UDC_PLAT [=n]) && HAS_DMA [=n]
  Selected by [y]:
  - USB_AMD5536UDC [=y] && USB_SUPPORT [=y] && USB_GADGET [=y] && USB_PCI [=y]

Fixes: 97b3ffa233b9 ("usb: gadget: udc: amd5536: split core and PCI layer")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Raviteja Garimella <raviteja.garimella@...adcom.com>
Cc: Felipe Balbi <balbi@...nel.org>
Cc: linux-usb@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/gadget/udc/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig
@@ -311,7 +311,7 @@ source "drivers/usb/gadget/udc/bdc/Kconf
 
 config USB_AMD5536UDC
 	tristate "AMD5536 UDC"
-	depends on USB_PCI
+	depends on USB_PCI && HAS_DMA
 	select USB_SNP_CORE
 	help
 	   The AMD5536 UDC is part of the AMD Geode CS5536, an x86 southbridge.