23 Aug
2021
23 Aug
'21
2:19 p.m.
On Sat, Aug 21, 2021 at 10:45:52PM +0200, Nicolas Frattaroli wrote:
On Freitag, 20. August 2021 21:02:16 CEST Pierre-Louis Bossart wrote:
- regmap_read(i2s_tdm->regmap, I2S_CLR, &val);
- /* Wait on the clear operation to finish */
- while (val) {
delay needed here?
The rockchip_i2s.c code doesn't have a delay here either, but I can add one of 1 usec for good measure, it seems weird to retry the read as fast as it can.
You should probably have a cpu_relax() in there at least.