diff mbox series

[net-next,2/5] bnxt_en: PTP: Refactor PTP initialization functions

Message ID 1643172013-31729-3-git-send-email-michael.chan@broadcom.com (mailing list archive)
State Accepted
Commit 740c342e399981babdd62d0d5beb7c8ec9503a9a
Delegated to: Netdev Maintainers
Headers show
Series bnxt_en: Add RTC mode for PTP | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 3 of 3 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch warning WARNING: line length of 84 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Michael Chan Jan. 26, 2022, 4:40 a.m. UTC 
From: Pavan Chebbi <pavan.chebbi@broadcom.com>

Making the ptp free and timecounter initialization code into separate
functions so that later patches can use them.

Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c | 45 +++++++++++++------
 1 file changed, 31 insertions(+), 14 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
index 48520967746f..921aa7f75c9a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
@@ -714,6 +714,34 @@  static bool bnxt_pps_config_ok(struct bnxt *bp)
 	return !(bp->fw_cap & BNXT_FW_CAP_PTP_PPS) == !ptp->ptp_info.pin_config;
 }
 
+static void bnxt_ptp_timecounter_init(struct bnxt *bp, bool init_tc)
+{
+	struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
+
+	if (!ptp->ptp_clock) {
+		memset(&ptp->cc, 0, sizeof(ptp->cc));
+		ptp->cc.read = bnxt_cc_read;
+		ptp->cc.mask = CYCLECOUNTER_MASK(48);
+		ptp->cc.shift = 0;
+		ptp->cc.mult = 1;
+		ptp->next_overflow_check = jiffies + BNXT_PHC_OVERFLOW_PERIOD;
+	}
+	if (init_tc)
+		timecounter_init(&ptp->tc, &ptp->cc, ktime_to_ns(ktime_get_real()));
+}
+
+static void bnxt_ptp_free(struct bnxt *bp)
+{
+	struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
+
+	if (ptp->ptp_clock) {
+		ptp_clock_unregister(ptp->ptp_clock);
+		ptp->ptp_clock = NULL;
+		kfree(ptp->ptp_info.pin_config);
+		ptp->ptp_info.pin_config = NULL;
+	}
+}
+
 int bnxt_ptp_init(struct bnxt *bp)
 {
 	struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
@@ -729,23 +757,12 @@  int bnxt_ptp_init(struct bnxt *bp)
 	if (ptp->ptp_clock && bnxt_pps_config_ok(bp))
 		return 0;
 
-	if (ptp->ptp_clock) {
-		ptp_clock_unregister(ptp->ptp_clock);
-		ptp->ptp_clock = NULL;
-		kfree(ptp->ptp_info.pin_config);
-		ptp->ptp_info.pin_config = NULL;
-	}
+	bnxt_ptp_free(bp);
+
 	atomic_set(&ptp->tx_avail, BNXT_MAX_TX_TS);
 	spin_lock_init(&ptp->ptp_lock);
 
-	memset(&ptp->cc, 0, sizeof(ptp->cc));
-	ptp->cc.read = bnxt_cc_read;
-	ptp->cc.mask = CYCLECOUNTER_MASK(48);
-	ptp->cc.shift = 0;
-	ptp->cc.mult = 1;
-
-	ptp->next_overflow_check = jiffies + BNXT_PHC_OVERFLOW_PERIOD;
-	timecounter_init(&ptp->tc, &ptp->cc, ktime_to_ns(ktime_get_real()));
+	bnxt_ptp_timecounter_init(bp, true);
 
 	ptp->ptp_info = bnxt_ptp_caps;
 	if ((bp->fw_cap & BNXT_FW_CAP_PTP_PPS)) {