A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-09 05:39:54 -04:00
Code Issues Projects Releases Packages Wiki Activity

msm: gsi: Read 64-bit ring RP value from registers

Browse source 
The DMA address allocated may be in 64-bit address
range if dma mask is set to 64-bit, the MSB register
value is required.

Signed-off-by: Cheng Zeng <quic_chenzeng@quicinc.com>
This commit is contained in:
Cheng Zeng 2021-12-01 14:52:56 +08:00
commit e091b01ac4
1 changed files with 8 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

9
drivers/platform/msm/gsi/gsi.c
View file

@ -1752,7 +1752,14 @@ static inline uint64_t gsi_read_event_ring_rp_ddr(struct gsi_evt_ring_props* pro
static inline uint64_t gsi_read_event_ring_rp_reg(struct gsi_evt_ring_props* props,
uint8_t id, int ee)
{
return gsi_readl(gsi_ctx->base + GSI_EE_n_EV_CH_k_CNTXT_4_OFFS(id, ee));
uint64_t rp;
rp = gsi_readl(gsi_ctx->base +
GSI_EE_n_EV_CH_k_CNTXT_4_OFFS(id, ee));
rp |= ((uint64_t)gsi_readl(gsi_ctx->base +
GSI_EE_n_EV_CH_k_CNTXT_5_OFFS(id, ee))) << 32;
return rp;
}
int gsi_alloc_evt_ring(struct gsi_evt_ring_props *props, unsigned long dev_hdl,