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authorLinus Torvalds <torvalds@linux-foundation.org>2022-07-21 11:28:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-07-21 11:28:26 -0700
commit68e77ffbfd06ae3ef8f2abf1c3b971383c866983 (patch)
treef96517feff3b136c94d2e9a2511732f2a00a2ce5 /drivers
parent7ca433dc6dedb2ec98dfc943f6db0c9b8996ed11 (diff)
parent0fddf9ad06fd9f439f137139861556671673e31c (diff)
Merge tag 'mtd/fixes-for-5.19-final' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD fix from Richard Weinberger: "A aingle NAND controller fix: - gpmi: Fix busy timeout setting (wrong calculation, yes again)" * tag 'mtd/fixes-for-5.19-final' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: mtd: rawnand: gpmi: Set WAIT_FOR_READY timeout based on program/erase times
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index 889e40329956..93da23682d86 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -850,9 +850,10 @@ static int gpmi_nfc_compute_timings(struct gpmi_nand_data *this,
unsigned int tRP_ps;
bool use_half_period;
int sample_delay_ps, sample_delay_factor;
- u16 busy_timeout_cycles;
+ unsigned int busy_timeout_cycles;
u8 wrn_dly_sel;
unsigned long clk_rate, min_rate;
+ u64 busy_timeout_ps;
if (sdr->tRC_min >= 30000) {
/* ONFI non-EDO modes [0-3] */
@@ -885,7 +886,8 @@ static int gpmi_nfc_compute_timings(struct gpmi_nand_data *this,
addr_setup_cycles = TO_CYCLES(sdr->tALS_min, period_ps);
data_setup_cycles = TO_CYCLES(sdr->tDS_min, period_ps);
data_hold_cycles = TO_CYCLES(sdr->tDH_min, period_ps);
- busy_timeout_cycles = TO_CYCLES(sdr->tWB_max + sdr->tR_max, period_ps);
+ busy_timeout_ps = max(sdr->tBERS_max, sdr->tPROG_max);
+ busy_timeout_cycles = TO_CYCLES(busy_timeout_ps, period_ps);
hw->timing0 = BF_GPMI_TIMING0_ADDRESS_SETUP(addr_setup_cycles) |
BF_GPMI_TIMING0_DATA_HOLD(data_hold_cycles) |