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NAND controller fix:

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* gpmi: Fix busy timeout setting (wrong calculation, yes again)
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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
This commit is contained in:
Linus Torvalds 2022-07-21 11:28:26 -07:00
commit 68e77ffbfd
1 changed files with 4 additions and 2 deletions
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6
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
View File

@ -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) |