diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_qsfp.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_qsfp.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.c b/drivers/infiniband/hw/qib/qib_qsfp.c index fa71b1e666c5..5e27f76805e2 100644 --- a/drivers/infiniband/hw/qib/qib_qsfp.c +++ b/drivers/infiniband/hw/qib/qib_qsfp.c @@ -81,7 +81,7 @@ static int qsfp_read(struct qib_pportdata *ppd, int addr, void *bp, int len) * Module could take up to 2 Msec to respond to MOD_SEL, and there * is no way to tell if it is ready, so we must wait. */ - msleep(2); + msleep(20); /* Make sure TWSI bus is in sane state. */ ret = qib_twsi_reset(dd); @@ -99,6 +99,7 @@ static int qsfp_read(struct qib_pportdata *ppd, int addr, void *bp, int len) while (cnt < len) { unsigned in_page; int wlen = len - cnt; + in_page = addr % QSFP_PAGESIZE; if ((in_page + wlen) > QSFP_PAGESIZE) wlen = QSFP_PAGESIZE - in_page; @@ -139,7 +140,7 @@ deselect: else if (pass) qib_dev_porterr(dd, ppd->port, "QSFP retries: %d\n", pass); - msleep(2); + msleep(20); bail: mutex_unlock(&dd->eep_lock); @@ -189,7 +190,7 @@ static int qib_qsfp_write(struct qib_pportdata *ppd, int addr, void *bp, * Module could take up to 2 Msec to respond to MOD_SEL, * and there is no way to tell if it is ready, so we must wait. */ - msleep(2); + msleep(20); /* Make sure TWSI bus is in sane state. */ ret = qib_twsi_reset(dd); @@ -206,6 +207,7 @@ static int qib_qsfp_write(struct qib_pportdata *ppd, int addr, void *bp, while (cnt < len) { unsigned in_page; int wlen = len - cnt; + in_page = addr % QSFP_PAGESIZE; if ((in_page + wlen) > QSFP_PAGESIZE) wlen = QSFP_PAGESIZE - in_page; @@ -234,7 +236,7 @@ deselect: * going away, and there is no way to tell if it is ready. * so we must wait. */ - msleep(2); + msleep(20); bail: mutex_unlock(&dd->eep_lock); @@ -296,6 +298,7 @@ int qib_refresh_qsfp_cache(struct qib_pportdata *ppd, struct qib_qsfp_cache *cp) * set the page to zero, Even if it already appears to be zero. */ u8 poke = 0; + ret = qib_qsfp_write(ppd, 127, &poke, 1); udelay(50); if (ret != 1) { @@ -480,7 +483,6 @@ void qib_qsfp_init(struct qib_qsfp_data *qd, udelay(20); /* Generous RST dwell */ dd->f_gpio_mod(dd, mask, mask, mask); - return; } void qib_qsfp_deinit(struct qib_qsfp_data *qd) @@ -540,6 +542,7 @@ int qib_qsfp_dump(struct qib_pportdata *ppd, char *buf, int len) while (bidx < QSFP_DEFAULT_HDR_CNT) { int iidx; + ret = qsfp_read(ppd, bidx, bin_buff, QSFP_DUMP_CHUNK); if (ret < 0) goto bail; |