Clean up the computation of c_loop, outer and inner variables.
Signed-off-by: Marek Vasut marex@denx.de --- drivers/ddr/altera/sequencer.c | 24 ++++++------------------ 1 file changed, 6 insertions(+), 18 deletions(-)
diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c index 25de209..ed4d791 100644 --- a/drivers/ddr/altera/sequencer.c +++ b/drivers/ddr/altera/sequencer.c @@ -761,9 +761,9 @@ static void set_jump_as_return(void) static void delay_for_n_mem_clocks(const u32 clocks) { u32 afi_clocks; - u16 c_loop = 0; - u8 inner = 0; - u8 outer = 0; + u16 c_loop; + u8 inner; + u8 outer;
debug("%s:%d: clocks=%u ... start\n", __func__, __LINE__, clocks);
@@ -779,21 +779,9 @@ static void delay_for_n_mem_clocks(const u32 clocks) * before the decrement, and so always perform the loop * 1 time more than the counter value */ - if (afi_clocks == 0) { - ; - } else if (afi_clocks < 0x100) { - inner = afi_clocks; - outer = 0; - c_loop = 0; - } else if (afi_clocks < 0x10000) { - inner = 0xff; - outer = afi_clocks >> 8; - c_loop = 0; - } else { /* >= 0x10000 */ - inner = 0xff; - outer = 0xff; - c_loop = afi_clocks >> 16; - } + c_loop = afi_clocks >> 16; + outer = c_loop ? 0xff : (afi_clocks >> 8); + inner = outer ? 0xff : afi_clocks;
/* * rom instructions are structured as follows: