Thread (12 messages) 12 messages, 4 authors, 2025-11-17

Re: [PATCH] PCI: cadence: Kconfig: change PCIE_CADENCE configs from tristate to bool

From: Siddharth Vadapalli <s-vadapalli@ti.com>
Date: 2025-11-13 10:43:53
Also in: linux-pci, lkml, stable

On Thu, 2025-11-13 at 18:38 +0800, Hans Zhang wrote:
Hi Siddharth,


Your patch repeats this part.
I am not sure I understand the "repetition" that you are referring to. The
patch below is updating:
PCIE_CADENCE_PLAT, PCIE_CADENCE_PLAT_HOST and PCIE_CADENCE_PLAT_EP
from 'bool' to 'tristate'.

The current patch is updating:
PCIE_CADENCE, PCIE_CADENCE_HOST and PCIE_CADENCE_EP
[No 'PLAT' in the configs]
from 'tristate' to 'bool'.

https://patchwork.kernel.org/project/linux-pci/patch/20251108140305.1120117-2-hans.zhang@cixtech.com/

Best regards,
Hans

On 11/13/2025 5:27 PM, Siddharth Vadapalli wrote:
quoted
EXTERNAL EMAIL

The drivers associated with the PCIE_CADENCE, PCIE_CADENCE_HOST AND
PCIE_CADENCE_EP configs are used by multiple vendor drivers and serve as a
library of helpers. Since the vendor drivers could individually be built
as built-in or as loadable modules, it is possible to select a build
configuration wherein a vendor driver is built-in while the library is
built as a loadable module. This will result in a build error as reported
in the 'Closes' link below.

Address the build error by changing the library configs to be 'bool'
instead of 'tristate'.

Reported-by: kernel test robot <redacted>
Closes: https://lore.kernel.org/oe-kbuild-all/202511111705.MZ7ls8Hm-lkp@intel.com/ (local)
Fixes: 1c72774df028 ("PCI: sg2042: Add Sophgo SG2042 PCIe driver")
Cc: <redacted>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
---
  drivers/pci/controller/cadence/Kconfig | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/controller/cadence/Kconfig b/drivers/pci/controller/cadence/Kconfig
index 02a639e55fd8..980da64ce730 100644
--- a/drivers/pci/controller/cadence/Kconfig
+++ b/drivers/pci/controller/cadence/Kconfig
@@ -4,16 +4,16 @@ menu "Cadence-based PCIe controllers"
         depends on PCI

  config PCIE_CADENCE
-       tristate
+       bool

  config PCIE_CADENCE_HOST
-       tristate
+       bool
         depends on OF
         select IRQ_DOMAIN
         select PCIE_CADENCE

  config PCIE_CADENCE_EP
-       tristate
+       bool
         depends on OF
         depends on PCI_ENDPOINT
         select PCIE_CADENCE
--
2.51.1
Regards,
Siddharth.
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