2024-04-18 12:22:00

by Andy Shevchenko

[permalink] [raw]
Subject: [PATCH v1 1/1] mfd: kempld: Remove custom DMI matching code

The ->init() open codes the functionality of DMI matching code.
Moreover, all DMI quirks are using the same callback and driver_data.
With this in mind, refactor the DMI matching code.

Signed-off-by: Andy Shevchenko <[email protected]>
---
drivers/mfd/kempld-core.c | 120 +++++---------------------------------
1 file changed, 14 insertions(+), 106 deletions(-)

diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c
index ce7d52a62e51..02e5855eabaf 100644
--- a/drivers/mfd/kempld-core.c
+++ b/drivers/mfd/kempld-core.c
@@ -129,9 +129,8 @@ static const struct kempld_platform_data kempld_platform_data_generic = {

static struct platform_device *kempld_pdev;

-static int kempld_create_platform_device(const struct dmi_system_id *id)
+static int kempld_create_platform_device(const struct kempld_platform_data *pdata)
{
- const struct kempld_platform_data *pdata = id->driver_data;
const struct platform_device_info pdevinfo = {
.name = "kempld",
.id = PLATFORM_DEVID_NONE,
@@ -497,375 +496,281 @@ static const struct dmi_system_id kempld_dmi_table[] __initconst = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bBD"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "BBL6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bBL6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "BDV7",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bDV7"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "BHL6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bHL6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "BKL6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bKL6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "BSL6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bSL6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CAL6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cAL"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CBL6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cBL6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CBW6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cBW6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CCR2",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP2"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CCR6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CDV7",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cDV7"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CHL6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cHL6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CHR2",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T2"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CHR2",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T2"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CHR2",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC2"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CHR6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CHR6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CHR6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CKL6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cKL6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CNTG",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-PC"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CNTG",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-bPC2"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CNTX",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "PXT"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CSL6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cSL6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "CVV6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cBT"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "FRI2",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BIOS_VERSION, "FRI2"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "FRI2",
.matches = {
DMI_MATCH(DMI_PRODUCT_NAME, "Fish River Island II"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "A203",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "KBox A-203"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "M4A1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-m4AL"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "MAL1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-mAL10"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "MAPL",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "mITX-APL"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "MBR1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "ETX-OH"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "MVV1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-mBT"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "NTC1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "nanoETXexpress-TT"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "NTC1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "nETXe-TT"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "NTC1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-mTT"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "NUP1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-mCT"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "PAPL",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "pITX-APL"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "SXAL",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXAL"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "SXAL4",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXA4"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "UNP1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-DC"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "UNP1",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cDC2"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "UNTG",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-PC"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "UNTG",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cPC2"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "UUP6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cCT6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "UTH6",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "COMe-cTH6"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
}, {
.ident = "Q7AL",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
DMI_MATCH(DMI_BOARD_NAME, "Qseven-Q7AL"),
},
- .driver_data = (void *)&kempld_platform_data_generic,
- .callback = kempld_create_platform_device,
},
{}
};
@@ -874,18 +779,21 @@ MODULE_DEVICE_TABLE(dmi, kempld_dmi_table);
static int __init kempld_init(void)
{
const struct dmi_system_id *id;
+ int ret -ENODEV;

- if (force_device_id[0]) {
- for (id = kempld_dmi_table;
- id->matches[0].slot != DMI_NONE; id++)
- if (strstr(id->ident, force_device_id))
- if (id->callback && !id->callback(id))
- break;
- if (id->matches[0].slot == DMI_NONE)
- return -ENODEV;
- } else {
- dmi_check_system(kempld_dmi_table);
+ for (id = dmi_first_match(kempld_dmi_table); id; id = dmi_first_match(id + 1)) {
+ /* Check, if user asked for the exact device ID match */
+ if (force_device_id[0] && !strstr(id->ident, force_device_id))
+ continue;
+
+ ret = kempld_create_platform_device(&kempld_platform_data_generic);
+ if (ret)
+ continue;
+
+ break;
}
+ if (ret)
+ return ret;

return platform_driver_register(&kempld_driver);
}
--
2.43.0.rc1.1336.g36b5255a03ac



2024-04-23 20:34:34

by Andy Shevchenko

[permalink] [raw]
Subject: Re: [PATCH v1 1/1] mfd: kempld: Remove custom DMI matching code

On Thu, Apr 18, 2024 at 12:53:19PM +0300, Andy Shevchenko wrote:
> The ->init() open codes the functionality of DMI matching code.
> Moreover, all DMI quirks are using the same callback and driver_data.
> With this in mind, refactor the DMI matching code.

..

> + int ret -ENODEV;

Wrong version had been sent, please ignore this.

--
With Best Regards,
Andy Shevchenko