Re: [PATCH v9 8/9] mfd: Add Ampere's Altra SMpro MFD driver

From: Quan Nguyen
Date: Wed Oct 26 2022 - 23:40:07 EST




On 24/10/2022 19:39, Lee Jones wrote:
On Thu, 29 Sep 2022, Quan Nguyen wrote:

Adds Multi-function devices driver for SMpro co-processor found on the
Mt.Jade hardware reference platform with Ampere's Altra processor family.

Signed-off-by: Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx>
---

Changes in v9:
+ Rename smpro-mfd.c to smpro-core.c [Lee Jones]
+ Fix include files in alphabetical order [Lee Jones]
+ Add defines to avoid using magic numbers [Lee Jones]
+ Return -EINVAL if device does not match [Lee Jones]
+ Remove unneccessary comment [Lee Jones]
+ Refactor error path handling in smpro_core_read/write() [Quan]

Changes in v8:
+ None

Changes in v7:
+ Smpro-mfd now significant changes in compare with simple-mfd-i2c
driver, remove the copyright note about simple-mfd-i2c [Quan]
+ Install bus->read/write() to handle multiple types of bus
access. [Quan]
+ Update license to MODULE_LICENSE("GPL") [Quan]
+ Add others minor refactor the code [Quan]

Changes in v6:
+ Update license part to reflect that this driver is clone from
simple-mfd-i2c driver [Quan]

Changes in v5:
+ Dropped the use of simple-mfd-i2c driver [Quan]
+ Introduced drivers/mfd/smpro-mfd.c driver to instantiate
sub-devices. This is to avoid DT nodes without resource issue [Quan]
+ Revised commit message [Quan]

Changes in v4:
+ Add "depends on I2C" to fix build issue found by kernel test
robot [Guenter]

Changes in v3:
+ None

Changes in v2:
+ Used 'struct of_device_id's .data attribute [Lee Jones]

drivers/mfd/Kconfig | 12 ++++
drivers/mfd/Makefile | 1 +
drivers/mfd/smpro-core.c | 138 +++++++++++++++++++++++++++++++++++++++
3 files changed, 151 insertions(+)
create mode 100644 drivers/mfd/smpro-core.c

Applied, thanks.


Thank you for picking the patch.
- Quan