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lib: utils/i2c: Generate FDT i2c adapter driver list at compile-time
Instead of having FDT i2c adapter driver list hard-coded in the C source, we generate it using carray.sh at compile-time. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Atish Patra <atishp@rivosinc.com>
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@@ -16,13 +16,9 @@
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#include <sbi_utils/fdt/fdt_helper.h>
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#include <sbi_utils/fdt/fdt_helper.h>
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#include <sbi_utils/i2c/fdt_i2c.h>
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#include <sbi_utils/i2c/fdt_i2c.h>
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#include <sbi/sbi_console.h>
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/* List of FDT i2c adapter drivers generated at compile time */
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extern struct fdt_i2c_adapter *fdt_i2c_adapter_drivers[];
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extern struct fdt_i2c_adapter fdt_i2c_adapter_sifive;
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extern unsigned long fdt_i2c_adapter_drivers_size;
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static struct fdt_i2c_adapter *i2c_adapter_drivers[] = {
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&fdt_i2c_adapter_sifive
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};
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static int fdt_i2c_adapter_init(void *fdt, int nodeoff)
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static int fdt_i2c_adapter_init(void *fdt, int nodeoff)
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{
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{
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@@ -31,8 +27,8 @@ static int fdt_i2c_adapter_init(void *fdt, int nodeoff)
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const struct fdt_match *match;
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const struct fdt_match *match;
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/* Try all I2C drivers one-by-one */
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/* Try all I2C drivers one-by-one */
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for (pos = 0; pos < array_size(i2c_adapter_drivers); pos++) {
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for (pos = 0; pos < fdt_i2c_adapter_drivers_size; pos++) {
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drv = i2c_adapter_drivers[pos];
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drv = fdt_i2c_adapter_drivers[pos];
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match = fdt_match_node(fdt, nodeoff, drv->match_table);
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match = fdt_match_node(fdt, nodeoff, drv->match_table);
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if (match && drv->init) {
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if (match && drv->init) {
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rc = drv->init(fdt, nodeoff, match);
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rc = drv->init(fdt, nodeoff, match);
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3
lib/utils/i2c/fdt_i2c_adapter_drivers.carray
Normal file
3
lib/utils/i2c/fdt_i2c_adapter_drivers.carray
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@@ -0,0 +1,3 @@
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HEADER: sbi_utils/i2c/fdt_i2c.h
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TYPE: struct fdt_i2c_adapter
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NAME: fdt_i2c_adapter_drivers
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@@ -8,5 +8,9 @@
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#
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#
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libsbiutils-objs-y += i2c/i2c.o
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libsbiutils-objs-y += i2c/i2c.o
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libsbiutils-objs-y += i2c/fdt_i2c.o
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libsbiutils-objs-y += i2c/fdt_i2c.o
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libsbiutils-objs-y += i2c/fdt_i2c_adapter_drivers.o
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carray-fdt_i2c_adapter_drivers-y += fdt_i2c_adapter_sifive
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libsbiutils-objs-y += i2c/fdt_i2c_sifive.o
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libsbiutils-objs-y += i2c/fdt_i2c_sifive.o
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