From de06fba62af64144aca6f8a8bedbc848d2e5b440 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Sat, 7 May 2022 13:01:45 +0300 Subject: 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 Acked-by: Chris Packham # for i2c-mpc Acked-by: Wolfram Sang # for the I2C part Acked-by: Mark Brown Acked-by: Marc Kleine-Budde # for mscan/mpc5xxx_can Acked-by: Damien Le Moal Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220507100147.5802-2-andriy.shevchenko@linux.intel.com --- drivers/i2c/busses/i2c-mpc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers/i2c') 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; } -- cgit v1.2.3-59-g8ed1b