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author | Min Li <min.li.xe@renesas.com> | 2020-12-08 10:41:57 -0500 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2020-12-09 15:00:55 -0800 |
commit | da9482332d581bb8ea69eca34d7f75a3c6247475 (patch) | |
tree | aa7764f919dfbf0579f32a65ab1b20d63597f052 | |
parent | 7260d1c8fd86672d0b5fc4b5a36e0f17c0c3c177 (diff) | |
download | linux-stable-da9482332d581bb8ea69eca34d7f75a3c6247475.tar.gz linux-stable-da9482332d581bb8ea69eca34d7f75a3c6247475.tar.bz2 linux-stable-da9482332d581bb8ea69eca34d7f75a3c6247475.zip |
ptp: clockmatrix: deprecate firmware older than 4.8.7
Add deprecated flag to indicate < v4.8.7.
Fix idtcm_enable_tod() call correct settime().
Signed-off-by: Min Li <min.li.xe@renesas.com>
Link: https://lore.kernel.org/r/1607442117-13661-4-git-send-email-min.li.xe@renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r-- | drivers/ptp/ptp_clockmatrix.c | 69 | ||||
-rw-r--r-- | drivers/ptp/ptp_clockmatrix.h | 11 |
2 files changed, 45 insertions, 35 deletions
diff --git a/drivers/ptp/ptp_clockmatrix.c b/drivers/ptp/ptp_clockmatrix.c index 638204177537..051511f5e1f2 100644 --- a/drivers/ptp/ptp_clockmatrix.c +++ b/drivers/ptp/ptp_clockmatrix.c @@ -806,8 +806,8 @@ static int get_output_base_addr(u8 outn) return base; } -static int _idtcm_settime(struct idtcm_channel *channel, - struct timespec64 const *ts) +static int _idtcm_settime_deprecated(struct idtcm_channel *channel, + struct timespec64 const *ts) { struct idtcm *idtcm = channel->idtcm; int err; @@ -823,9 +823,9 @@ static int _idtcm_settime(struct idtcm_channel *channel, return idtcm_sync_pps_output(channel); } -static int _idtcm_settime_v487(struct idtcm_channel *channel, - struct timespec64 const *ts, - enum scsr_tod_write_type_sel wr_type) +static int _idtcm_settime(struct idtcm_channel *channel, + struct timespec64 const *ts, + enum scsr_tod_write_type_sel wr_type) { return _idtcm_set_dpll_scsr_tod(channel, ts, SCSR_TOD_WR_TRIG_SEL_IMMEDIATE, @@ -967,14 +967,14 @@ static int set_tod_write_overhead(struct idtcm_channel *channel) return err; } -static int _idtcm_adjtime(struct idtcm_channel *channel, s64 delta) +static int _idtcm_adjtime_deprecated(struct idtcm_channel *channel, s64 delta) { int err; struct idtcm *idtcm = channel->idtcm; struct timespec64 ts; s64 now; - if (abs(delta) < PHASE_PULL_IN_THRESHOLD_NS) { + if (abs(delta) < PHASE_PULL_IN_THRESHOLD_NS_DEPRECATED) { err = idtcm_do_phase_pull_in(channel, delta, 0); } else { idtcm->calculate_overhead_flag = 1; @@ -994,7 +994,7 @@ static int _idtcm_adjtime(struct idtcm_channel *channel, s64 delta) ts = ns_to_timespec64(now); - err = _idtcm_settime(channel, &ts); + err = _idtcm_settime_deprecated(channel, &ts); } return err; @@ -1498,8 +1498,8 @@ static int idtcm_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) return err; } -static int idtcm_settime(struct ptp_clock_info *ptp, - const struct timespec64 *ts) +static int idtcm_settime_deprecated(struct ptp_clock_info *ptp, + const struct timespec64 *ts) { struct idtcm_channel *channel = container_of(ptp, struct idtcm_channel, caps); @@ -1508,7 +1508,7 @@ static int idtcm_settime(struct ptp_clock_info *ptp, mutex_lock(&idtcm->reg_lock); - err = _idtcm_settime(channel, ts); + err = _idtcm_settime_deprecated(channel, ts); if (err) dev_err(&idtcm->client->dev, @@ -1521,7 +1521,7 @@ static int idtcm_settime(struct ptp_clock_info *ptp, return err; } -static int idtcm_settime_v487(struct ptp_clock_info *ptp, +static int idtcm_settime(struct ptp_clock_info *ptp, const struct timespec64 *ts) { struct idtcm_channel *channel = @@ -1531,7 +1531,7 @@ static int idtcm_settime_v487(struct ptp_clock_info *ptp, mutex_lock(&idtcm->reg_lock); - err = _idtcm_settime_v487(channel, ts, SCSR_TOD_WR_TYPE_SEL_ABSOLUTE); + err = _idtcm_settime(channel, ts, SCSR_TOD_WR_TYPE_SEL_ABSOLUTE); if (err) dev_err(&idtcm->client->dev, @@ -1544,7 +1544,7 @@ static int idtcm_settime_v487(struct ptp_clock_info *ptp, return err; } -static int idtcm_adjtime(struct ptp_clock_info *ptp, s64 delta) +static int idtcm_adjtime_deprecated(struct ptp_clock_info *ptp, s64 delta) { struct idtcm_channel *channel = container_of(ptp, struct idtcm_channel, caps); @@ -1553,7 +1553,7 @@ static int idtcm_adjtime(struct ptp_clock_info *ptp, s64 delta) mutex_lock(&idtcm->reg_lock); - err = _idtcm_adjtime(channel, delta); + err = _idtcm_adjtime_deprecated(channel, delta); if (err) dev_err(&idtcm->client->dev, @@ -1566,7 +1566,7 @@ static int idtcm_adjtime(struct ptp_clock_info *ptp, s64 delta) return err; } -static int idtcm_adjtime_v487(struct ptp_clock_info *ptp, s64 delta) +static int idtcm_adjtime(struct ptp_clock_info *ptp, s64 delta) { struct idtcm_channel *channel = container_of(ptp, struct idtcm_channel, caps); @@ -1575,7 +1575,7 @@ static int idtcm_adjtime_v487(struct ptp_clock_info *ptp, s64 delta) enum scsr_tod_write_type_sel type; int err; - if (abs(delta) < PHASE_PULL_IN_THRESHOLD_NS_V487) { + if (abs(delta) < PHASE_PULL_IN_THRESHOLD_NS) { err = idtcm_do_phase_pull_in(channel, delta, 0); if (err) dev_err(&idtcm->client->dev, @@ -1595,7 +1595,7 @@ static int idtcm_adjtime_v487(struct ptp_clock_info *ptp, s64 delta) mutex_lock(&idtcm->reg_lock); - err = _idtcm_settime_v487(channel, &ts, type); + err = _idtcm_settime(channel, &ts, type); if (err) dev_err(&idtcm->client->dev, @@ -1939,10 +1939,14 @@ static int idtcm_enable_tod(struct idtcm_channel *channel) if (err) return err; - return _idtcm_settime(channel, &ts); + if (idtcm->deprecated) + return _idtcm_settime_deprecated(channel, &ts); + else + return _idtcm_settime(channel, &ts, + SCSR_TOD_WR_TYPE_SEL_ABSOLUTE); } -static void idtcm_display_version_info(struct idtcm *idtcm) +static void idtcm_set_version_info(struct idtcm *idtcm) { u8 major; u8 minor; @@ -1964,31 +1968,36 @@ static void idtcm_display_version_info(struct idtcm *idtcm) snprintf(idtcm->version, sizeof(idtcm->version), "%u.%u.%u", major, minor, hotfix); + if (idtcm_strverscmp(idtcm->version, "4.8.7") >= 0) + idtcm->deprecated = 0; + else + idtcm->deprecated = 1; + dev_info(&idtcm->client->dev, fmt, major, minor, hotfix, product_id, hw_rev_id, config_select); } -static const struct ptp_clock_info idtcm_caps_v487 = { +static const struct ptp_clock_info idtcm_caps = { .owner = THIS_MODULE, .max_adj = 244000, .n_per_out = 12, .adjphase = &idtcm_adjphase, .adjfine = &idtcm_adjfine, - .adjtime = &idtcm_adjtime_v487, + .adjtime = &idtcm_adjtime, .gettime64 = &idtcm_gettime, - .settime64 = &idtcm_settime_v487, + .settime64 = &idtcm_settime, .enable = &idtcm_enable, }; -static const struct ptp_clock_info idtcm_caps = { +static const struct ptp_clock_info idtcm_caps_deprecated = { .owner = THIS_MODULE, .max_adj = 244000, .n_per_out = 12, .adjphase = &idtcm_adjphase, .adjfine = &idtcm_adjfine, - .adjtime = &idtcm_adjtime, + .adjtime = &idtcm_adjtime_deprecated, .gettime64 = &idtcm_gettime, - .settime64 = &idtcm_settime, + .settime64 = &idtcm_settime_deprecated, .enable = &idtcm_enable, }; @@ -2111,15 +2120,15 @@ static int idtcm_enable_channel(struct idtcm *idtcm, u32 index) channel->idtcm = idtcm; - if (idtcm_strverscmp(idtcm->version, "4.8.7") >= 0) - channel->caps = idtcm_caps_v487; + if (idtcm->deprecated) + channel->caps = idtcm_caps_deprecated; else channel->caps = idtcm_caps; snprintf(channel->caps.name, sizeof(channel->caps.name), "IDT CM TOD%u", index); - if (idtcm_strverscmp(idtcm->version, "4.8.7") >= 0) { + if (!idtcm->deprecated) { err = idtcm_enable_tod_sync(channel); if (err) { dev_err(&idtcm->client->dev, @@ -2218,7 +2227,7 @@ static int idtcm_probe(struct i2c_client *client, mutex_init(&idtcm->reg_lock); mutex_lock(&idtcm->reg_lock); - idtcm_display_version_info(idtcm); + idtcm_set_version_info(idtcm); err = idtcm_load_firmware(idtcm, &client->dev); diff --git a/drivers/ptp/ptp_clockmatrix.h b/drivers/ptp/ptp_clockmatrix.h index 3790dfa09c08..645de2c66b64 100644 --- a/drivers/ptp/ptp_clockmatrix.h +++ b/drivers/ptp/ptp_clockmatrix.h @@ -45,11 +45,11 @@ #define DEFAULT_TOD2_PTP_PLL (2) #define DEFAULT_TOD3_PTP_PLL (3) -#define POST_SM_RESET_DELAY_MS (3000) -#define PHASE_PULL_IN_THRESHOLD_NS (150000) -#define PHASE_PULL_IN_THRESHOLD_NS_V487 (15000) -#define TOD_WRITE_OVERHEAD_COUNT_MAX (2) -#define TOD_BYTE_COUNT (11) +#define POST_SM_RESET_DELAY_MS (3000) +#define PHASE_PULL_IN_THRESHOLD_NS_DEPRECATED (150000) +#define PHASE_PULL_IN_THRESHOLD_NS (15000) +#define TOD_WRITE_OVERHEAD_COUNT_MAX (2) +#define TOD_BYTE_COUNT (11) #define PEROUT_ENABLE_OUTPUT_MASK (0xdeadbeef) @@ -132,6 +132,7 @@ struct idtcm { u8 page_offset; u8 tod_mask; char version[16]; + u8 deprecated; /* Overhead calculation for adjtime */ u8 calculate_overhead_flag; 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