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Subject[PATCH 2/2] pinctrl: ingenic: Only support SoCs enabled in config
Date
Tested on a JZ4740 system (ARCH=mips make qi_lb60_defconfig), this saves
about 14 KiB, by allowing the compiler to garbage-collect all the
functions and tables that correspond to SoCs that were disabled in the
config.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
drivers/pinctrl/pinctrl-ingenic.c | 61 +++++++++++++++++++++++++------
1 file changed, 49 insertions(+), 12 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index a14938a7cc30..11f1bc90632d 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c
@@ -9,6 +9,7 @@

#include <linux/compiler.h>
#include <linux/gpio/driver.h>
+#include <linux/if_enabled.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/of_device.h>
@@ -2384,6 +2385,12 @@ static int __init ingenic_pinctrl_probe(struct platform_device *pdev)
unsigned int i;
int err;

+ chip_info = of_device_get_match_data(dev);
+ if (!chip_info) {
+ dev_err(dev, "Unsupported SoC\n");
+ return -EINVAL;
+ }
+
jzpc = devm_kzalloc(dev, sizeof(*jzpc), GFP_KERNEL);
if (!jzpc)
return -ENOMEM;
@@ -2400,7 +2407,7 @@ static int __init ingenic_pinctrl_probe(struct platform_device *pdev)
}

jzpc->dev = dev;
- jzpc->info = chip_info = of_device_get_match_data(dev);
+ jzpc->info = chip_info;

pctl_desc = devm_kzalloc(&pdev->dev, sizeof(*pctl_desc), GFP_KERNEL);
if (!pctl_desc)
@@ -2470,17 +2477,47 @@ static int __init ingenic_pinctrl_probe(struct platform_device *pdev)
}

static const struct of_device_id ingenic_pinctrl_of_match[] = {
- { .compatible = "ingenic,jz4740-pinctrl", .data = &jz4740_chip_info },
- { .compatible = "ingenic,jz4725b-pinctrl", .data = &jz4725b_chip_info },
- { .compatible = "ingenic,jz4760-pinctrl", .data = &jz4760_chip_info },
- { .compatible = "ingenic,jz4760b-pinctrl", .data = &jz4760_chip_info },
- { .compatible = "ingenic,jz4770-pinctrl", .data = &jz4770_chip_info },
- { .compatible = "ingenic,jz4780-pinctrl", .data = &jz4780_chip_info },
- { .compatible = "ingenic,x1000-pinctrl", .data = &x1000_chip_info },
- { .compatible = "ingenic,x1000e-pinctrl", .data = &x1000_chip_info },
- { .compatible = "ingenic,x1500-pinctrl", .data = &x1500_chip_info },
- { .compatible = "ingenic,x1830-pinctrl", .data = &x1830_chip_info },
- {},
+ {
+ .compatible = "ingenic,jz4740-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_JZ4740, &jz4740_chip_info)
+ },
+ {
+ .compatible = "ingenic,jz4725b-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_JZ4725B, &jz4725b_chip_info)
+ },
+ {
+ .compatible = "ingenic,jz4760-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_JZ4760, &jz4760_chip_info)
+ },
+ {
+ .compatible = "ingenic,jz4760b-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_JZ4760, &jz4760_chip_info)
+ },
+ {
+ .compatible = "ingenic,jz4770-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_JZ4770, &jz4770_chip_info)
+ },
+ {
+ .compatible = "ingenic,jz4780-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_JZ4780, &jz4780_chip_info)
+ },
+ {
+ .compatible = "ingenic,x1000-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_X1000, &x1000_chip_info)
+ },
+ {
+ .compatible = "ingenic,x1000e-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_X1000, &x1000_chip_info)
+ },
+ {
+ .compatible = "ingenic,x1500-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_X1500, &x1500_chip_info)
+ },
+ {
+ .compatible = "ingenic,x1830-pinctrl",
+ .data = IF_ENABLED(CONFIG_MACH_X1830, &x1830_chip_info)
+ },
+ { /* sentinel */ },
};

static struct platform_driver ingenic_pinctrl_driver = {
--
2.29.2
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