diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-05-07 13:01:45 +0300 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-06-22 12:51:49 +1000 |
| commit | de06fba62af64144aca6f8a8bedbc848d2e5b440 (patch) | |
| tree | b110371cfff241ab816f9357eb6d820279dc00f0 /drivers/i2c | |
| parent | powerpc/52xx: Remove dead code, i.e. mpc52xx_get_xtal_freq() (diff) | |
| download | linux-dev-de06fba62af64144aca6f8a8bedbc848d2e5b440.tar.xz linux-dev-de06fba62af64144aca6f8a8bedbc848d2e5b440.zip | |
powerpc/mpc5xxx: Switch mpc5xxx_get_bus_frequency() to use fwnode
Switch mpc5xxx_get_bus_frequency() to use fwnode in order to help
cleaning up other parts of the kernel from OF specific code.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # for i2c-mpc
Acked-by: Wolfram Sang <wsa@kernel.org> # for the I2C part
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for mscan/mpc5xxx_can
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220507100147.5802-2-andriy.shevchenko@linux.intel.com
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 6c698c10d3cd..81ac92bb4f6f 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -239,6 +239,7 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { static int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, u32 *real_clk) { + struct fwnode_handle *fwnode = of_fwnode_handle(node); const struct mpc_i2c_divider *div = NULL; unsigned int pvr = mfspr(SPRN_PVR); u32 divider; @@ -246,12 +247,12 @@ static int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, if (clock == MPC_I2C_CLOCK_LEGACY) { /* see below - default fdr = 0x3f -> div = 2048 */ - *real_clk = mpc5xxx_get_bus_frequency(node) / 2048; + *real_clk = mpc5xxx_fwnode_get_bus_frequency(fwnode) / 2048; return -EINVAL; } /* Determine divider value */ - divider = mpc5xxx_get_bus_frequency(node) / clock; + divider = mpc5xxx_fwnode_get_bus_frequency(fwnode) / clock; /* * We want to choose an FDR/DFSR that generates an I2C bus speed that @@ -266,7 +267,7 @@ static int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, break; } - *real_clk = mpc5xxx_get_bus_frequency(node) / div->divider; + *real_clk = mpc5xxx_fwnode_get_bus_frequency(fwnode) / div->divider; return (int)div->fdr; } |