For structure types defined in the same file or local header files, find
top-level static structure declarations that have the following
properties:
1. Never reassigned.
2. Address never taken
3. Not passed to a top-level macro call
4. No pointer or array-typed field passed to a function or stored in a
variable.
Declare structures having all of these properties as const.
Done using Coccinelle.
Based on a suggestion by Joe Perches <joe@xxxxxxxxxxx>.
Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
---
The semantic patch seems too long for a commit log, but is in the cover
letter.
drivers/acpi/acpi_apd.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 1f30fff..d58fbf7 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -72,7 +72,7 @@ static int acpi_apd_setup(struct apd_private_data *pdata)
}
#ifdef CONFIG_X86_AMD_PLATFORM_DEVICE
-static struct apd_device_desc cz_i2c_desc = {
+static const struct apd_device_desc cz_i2c_desc = {
.setup = acpi_apd_setup,
.fixed_clk_rate = 133000000,
};
@@ -84,7 +84,7 @@ static struct property_entry uart_properties[] = {
{ },
};
-static struct apd_device_desc cz_uart_desc = {
+static const struct apd_device_desc cz_uart_desc = {
.setup = acpi_apd_setup,
.fixed_clk_rate = 48000000,
.properties = uart_properties,
@@ -92,12 +92,12 @@ static struct apd_device_desc cz_uart_desc = {
#endif
#ifdef CONFIG_ARM64
-static struct apd_device_desc xgene_i2c_desc = {
+static const struct apd_device_desc xgene_i2c_desc = {
.setup = acpi_apd_setup,
.fixed_clk_rate = 100000000,
};
-static struct apd_device_desc vulcan_spi_desc = {
+static const struct apd_device_desc vulcan_spi_desc = {
.setup = acpi_apd_setup,
.fixed_clk_rate = 133000000,
};
--
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