Thread (19 messages) 19 messages, 6 authors, 2021-03-25

Re: [PATCH v4 3/3] pinctrl: Add Xilinx ZynqMP pinctrl driver support

From: Michal Simek <hidden>
Date: 2021-03-24 09:17:53
Also in: linux-arm-kernel, linux-gpio, lkml


On 3/24/21 10:13 AM, Greg Kroah-Hartman wrote:
On Wed, Mar 24, 2021 at 10:02:53AM +0100, Michal Simek wrote:
quoted

On 3/24/21 9:49 AM, Greg Kroah-Hartman wrote:
quoted
On Wed, Mar 24, 2021 at 09:29:12AM +0100, Michal Simek wrote:
quoted
On 3/23/21 2:42 PM, Greg Kroah-Hartman wrote:
quoted
On Wed, Mar 17, 2021 at 01:55:16PM +0530, Sai Krishna Potthuri wrote:
quoted
Adding pinctrl driver for Xilinx ZynqMP platform.
This driver queries pin information from firmware and registers
pin control accordingly.

Signed-off-by: Sai Krishna Potthuri <redacted>
---
 drivers/pinctrl/Kconfig          |   13 +
 drivers/pinctrl/Makefile         |    1 +
 drivers/pinctrl/pinctrl-zynqmp.c | 1030 ++++++++++++++++++++++++++++++
 3 files changed, 1044 insertions(+)
 create mode 100644 drivers/pinctrl/pinctrl-zynqmp.c
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 815095326e2d..25d3c7208975 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -341,6 +341,19 @@ config PINCTRL_ZYNQ
 	help
 	  This selects the pinctrl driver for Xilinx Zynq.
 
+config PINCTRL_ZYNQMP
+	bool "Pinctrl driver for Xilinx ZynqMP"
Please make this work as a module.
The most of pinctrl drivers are builtin modules now which is not excuse
it is just fact.
$ git grep module_pla drivers/pinctrl/ | wc -l
40
$ git grep  builtin_pla drivers/pinctrl/ | wc -l
64
For new ones, we can do better, don't make us have to go back and fix
this up later.
As I said not a big deal. If this is the way to go then I these rules
should be followed which is not what it is happening based on 3 latest
pinctrl drivers below.
I do not disagree, but I point out issues when I see them, you got
unlucky :)
I feel we were lucky that our driver got your attention and we do it
properly from the beginning. :-)

Thanks,
Michal
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