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Message-ID: <20250307145648.1679912-2-janik@aq0.de>
Date: Fri, 7 Mar 2025 15:56:49 +0100
From: Janik Haag <janik@....de>
To: horms@...nel.org
Cc: davem@...emloft.net,
netdev@...r.kernel.org,
Janik Haag <janik@....de>
Subject: [PATCH net-next v2] net: cn23xx: fix typos
This patch fixes a few typos, spelling mistakes, and a bit of grammar,
increasing the comments readability.
Signed-off-by: Janik Haag <janik@....de>
---
.../cavium/liquidio/cn23xx_pf_device.c | 76 +++++++++----------
1 file changed, 38 insertions(+), 38 deletions(-)
diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
index 9ad49aea2673..ff8f2f9f9cae 100644
--- a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
@@ -49,7 +49,7 @@ static int cn23xx_pf_soft_reset(struct octeon_device *oct)
lio_pci_readq(oct, CN23XX_RST_SOFT_RST);
lio_pci_writeq(oct, 1, CN23XX_RST_SOFT_RST);
- /* Wait for 100ms as Octeon resets. */
+ /* Wait for 100ms as Octeon resets */
mdelay(100);
if (octeon_read_csr64(oct, CN23XX_SLI_SCRATCH1)) {
@@ -61,7 +61,7 @@ static int cn23xx_pf_soft_reset(struct octeon_device *oct)
dev_dbg(&oct->pci_dev->dev, "OCTEON[%d]: Reset completed\n",
oct->octeon_id);
- /* restore the reset value*/
+ /* Restore the reset value */
octeon_write_csr64(oct, CN23XX_WIN_WR_MASK_REG, 0xFF);
return 0;
@@ -121,7 +121,7 @@ u32 cn23xx_pf_get_oq_ticks(struct octeon_device *oct, u32 time_intr_in_us)
oqticks_per_us /= 1024;
/* time_intr is in microseconds. The next 2 steps gives the oq ticks
- * corressponding to time_intr.
+ * corresponding to time_intr.
*/
oqticks_per_us *= time_intr_in_us;
oqticks_per_us /= 1000;
@@ -136,11 +136,11 @@ static void cn23xx_setup_global_mac_regs(struct octeon_device *oct)
u64 reg_val;
u64 temp;
- /* programming SRN and TRS for each MAC(0..3) */
+ /* Programming SRN and TRS for each MAC(0..3) */
dev_dbg(&oct->pci_dev->dev, "%s:Using pcie port %d\n",
__func__, mac_no);
- /* By default, mapping all 64 IOQs to a single MACs */
+ /* By default, map all 64 IOQs to a single MAC */
reg_val =
octeon_read_csr64(oct, CN23XX_SLI_PKT_MAC_RINFO64(mac_no, pf_num));
@@ -164,7 +164,7 @@ static void cn23xx_setup_global_mac_regs(struct octeon_device *oct)
temp = oct->sriov_info.max_vfs & 0xff;
reg_val |= (temp << CN23XX_PKT_MAC_CTL_RINFO_NVFS_BIT_POS);
- /* write these settings to MAC register */
+ /* Write these settings to MAC register */
octeon_write_csr64(oct, CN23XX_SLI_PKT_MAC_RINFO64(mac_no, pf_num),
reg_val);
@@ -183,10 +183,10 @@ static int cn23xx_reset_io_queues(struct octeon_device *oct)
srn = oct->sriov_info.pf_srn;
ern = srn + oct->sriov_info.num_pf_rings;
- /*As per HRM reg description, s/w cant write 0 to ENB. */
- /*to make the queue off, need to set the RST bit. */
+ /* As per HRM reg description, s/w can't write 0 to ENB. */
+ /* We need to set the RST bit, to turn the queue off. */
- /* Reset the Enable bit for all the 64 IQs. */
+ /* Reset the enable bit for all the 64 IQs. */
for (q_no = srn; q_no < ern; q_no++) {
/* set RST bit to 1. This bit applies to both IQ and OQ */
d64 = octeon_read_csr64(oct, CN23XX_SLI_IQ_PKT_CONTROL64(q_no));
@@ -194,7 +194,7 @@ static int cn23xx_reset_io_queues(struct octeon_device *oct)
octeon_write_csr64(oct, CN23XX_SLI_IQ_PKT_CONTROL64(q_no), d64);
}
- /*wait until the RST bit is clear or the RST and quite bits are set*/
+ /* Wait until the RST bit is clear or the RST and quiet bits are set */
for (q_no = srn; q_no < ern; q_no++) {
u64 reg_val = octeon_read_csr64(oct,
CN23XX_SLI_IQ_PKT_CONTROL64(q_no));
@@ -245,15 +245,15 @@ static int cn23xx_pf_setup_global_input_regs(struct octeon_device *oct)
if (cn23xx_reset_io_queues(oct))
return -1;
- /** Set the MAC_NUM and PVF_NUM in IQ_PKT_CONTROL reg
- * for all queues.Only PF can set these bits.
+ /* Set the MAC_NUM and PVF_NUM in IQ_PKT_CONTROL reg
+ * for all queues. Only PF can set these bits.
* bits 29:30 indicate the MAC num.
* bits 32:47 indicate the PVF num.
*/
for (q_no = 0; q_no < ern; q_no++) {
reg_val = (u64)oct->pcie_port << CN23XX_PKT_INPUT_CTL_MAC_NUM_POS;
- /* for VF assigned queues. */
+ /* For VF assigned queues. */
if (q_no < oct->sriov_info.pf_srn) {
vf_num = q_no / oct->sriov_info.rings_per_vf;
vf_num += 1; /* VF1, VF2,........ */
@@ -268,7 +268,7 @@ static int cn23xx_pf_setup_global_input_regs(struct octeon_device *oct)
reg_val);
}
- /* Select ES, RO, NS, RDSIZE,DPTR Fomat#0 for
+ /* Select ES, RO, NS, RDSIZE,DPTR Format#0 for
* pf queues
*/
for (q_no = srn; q_no < ern; q_no++) {
@@ -289,7 +289,7 @@ static int cn23xx_pf_setup_global_input_regs(struct octeon_device *oct)
octeon_write_csr64(oct, CN23XX_SLI_IQ_PKT_CONTROL64(q_no),
reg_val);
- /* Set WMARK level for triggering PI_INT */
+ /* Set WMARK level to trigger PI_INT */
/* intr_threshold = CN23XX_DEF_IQ_INTR_THRESHOLD & */
intr_threshold = CFG_GET_IQ_INTR_PKT(cn23xx->conf) &
CN23XX_PKT_IN_DONE_WMARK_MASK;
@@ -354,7 +354,7 @@ static void cn23xx_pf_setup_global_output_regs(struct octeon_device *oct)
/* set the ES bit */
reg_val |= (CN23XX_PKT_OUTPUT_CTL_ES);
- /* write all the selected settings */
+ /* Write all the selected settings */
octeon_write_csr(oct, CN23XX_SLI_OQ_PKT_CONTROL(q_no), reg_val);
/* Enabling these interrupt in oct->fn_list.enable_interrupt()
@@ -373,7 +373,7 @@ static void cn23xx_pf_setup_global_output_regs(struct octeon_device *oct)
/** Setting the water mark level for pko back pressure **/
writeq(0x40, (u8 *)oct->mmio[0].hw_addr + CN23XX_SLI_OQ_WMARK);
- /** Disabling setting OQs in reset when ring has no dorebells
+ /* Disabling setting OQs in reset when ring has no doorbells
* enabling this will cause of head of line blocking
*/
/* Do it only for pass1.1. and pass1.2 */
@@ -383,7 +383,7 @@ static void cn23xx_pf_setup_global_output_regs(struct octeon_device *oct)
CN23XX_SLI_GBL_CONTROL) | 0x2,
(u8 *)oct->mmio[0].hw_addr + CN23XX_SLI_GBL_CONTROL);
- /** Enable channel-level backpressure */
+ /** Enable channel-level backpressure **/
if (oct->pf_num)
writeq(0xffffffffffffffffULL,
(u8 *)oct->mmio[0].hw_addr + CN23XX_SLI_OUT_BP_EN2_W1S);
@@ -396,7 +396,7 @@ static int cn23xx_setup_pf_device_regs(struct octeon_device *oct)
{
cn23xx_enable_error_reporting(oct);
- /* program the MAC(0..3)_RINFO before setting up input/output regs */
+ /* Program the MAC(0..3)_RINFO before setting up input/output regs */
cn23xx_setup_global_mac_regs(oct);
if (cn23xx_pf_setup_global_input_regs(oct))
@@ -410,7 +410,7 @@ static int cn23xx_setup_pf_device_regs(struct octeon_device *oct)
octeon_write_csr64(oct, CN23XX_SLI_WINDOW_CTL,
CN23XX_SLI_WINDOW_CTL_DEFAULT);
- /* set SLI_PKT_IN_JABBER to handle large VXLAN packets */
+ /* Set SLI_PKT_IN_JABBER to handle large VXLAN packets */
octeon_write_csr64(oct, CN23XX_SLI_PKT_IN_JABBER, CN23XX_INPUT_JABBER);
return 0;
}
@@ -574,7 +574,7 @@ static int cn23xx_setup_pf_mbox(struct octeon_device *oct)
mbox->mbox_read_reg = (u8 *)oct->mmio[0].hw_addr +
CN23XX_SLI_PKT_PF_VF_MBOX_SIG(q_no, 1);
- /*Mail Box Thread creation*/
+ /* Mail Box Thread creation */
INIT_DELAYED_WORK(&mbox->mbox_poll_wk.work,
cn23xx_pf_mbox_thread);
mbox->mbox_poll_wk.ctxptr = (void *)mbox;
@@ -626,7 +626,7 @@ static int cn23xx_enable_io_queues(struct octeon_device *oct)
ern = srn + oct->num_iqs;
for (q_no = srn; q_no < ern; q_no++) {
- /* set the corresponding IQ IS_64B bit */
+ /* Set the corresponding IQ IS_64B bit */
if (oct->io_qmask.iq64B & BIT_ULL(q_no - srn)) {
reg_val = octeon_read_csr64(
oct, CN23XX_SLI_IQ_PKT_CONTROL64(q_no));
@@ -635,7 +635,7 @@ static int cn23xx_enable_io_queues(struct octeon_device *oct)
oct, CN23XX_SLI_IQ_PKT_CONTROL64(q_no), reg_val);
}
- /* set the corresponding IQ ENB bit */
+ /* Set the corresponding IQ ENB bit */
if (oct->io_qmask.iq & BIT_ULL(q_no - srn)) {
/* IOQs are in reset by default in PEM2 mode,
* clearing reset bit
@@ -681,7 +681,7 @@ static int cn23xx_enable_io_queues(struct octeon_device *oct)
}
for (q_no = srn; q_no < ern; q_no++) {
u32 reg_val;
- /* set the corresponding OQ ENB bit */
+ /* Set the corresponding OQ ENB bit */
if (oct->io_qmask.oq & BIT_ULL(q_no - srn)) {
reg_val = octeon_read_csr(
oct, CN23XX_SLI_OQ_PKT_CONTROL(q_no));
@@ -707,7 +707,7 @@ static void cn23xx_disable_io_queues(struct octeon_device *oct)
for (q_no = srn; q_no < ern; q_no++) {
loop = HZ;
- /* start the Reset for a particular ring */
+ /* Start the Reset for a particular ring */
WRITE_ONCE(d64, octeon_read_csr64(
oct, CN23XX_SLI_IQ_PKT_CONTROL64(q_no)));
WRITE_ONCE(d64, READ_ONCE(d64) &
@@ -740,7 +740,7 @@ static void cn23xx_disable_io_queues(struct octeon_device *oct)
loop = HZ;
/* Wait until hardware indicates that the particular IQ
- * is out of reset.It given that SLI_PKT_RING_RST is
+ * is out of reset. Given that SLI_PKT_RING_RST is
* common for both IQs and OQs
*/
WRITE_ONCE(d64, octeon_read_csr64(
@@ -760,7 +760,7 @@ static void cn23xx_disable_io_queues(struct octeon_device *oct)
schedule_timeout_uninterruptible(1);
}
- /* clear the SLI_PKT(0..63)_CNTS[CNT] reg value */
+ /* Clear the SLI_PKT(0..63)_CNTS[CNT] reg value */
WRITE_ONCE(d32, octeon_read_csr(
oct, CN23XX_SLI_OQ_PKTS_SENT(q_no)));
octeon_write_csr(oct, CN23XX_SLI_OQ_PKTS_SENT(q_no),
@@ -793,7 +793,7 @@ static u64 cn23xx_pf_msix_interrupt_handler(void *dev)
if (!pkts_sent || (pkts_sent == 0xFFFFFFFFFFFFFFFFULL))
return ret;
- /* Write count reg in sli_pkt_cnts to clear these int.*/
+ /* Write count reg in sli_pkt_cnts to clear these int. */
if ((pkts_sent & CN23XX_INTR_PO_INT) ||
(pkts_sent & CN23XX_INTR_PI_INT)) {
if (pkts_sent & CN23XX_INTR_PO_INT)
@@ -908,7 +908,7 @@ static u32 cn23xx_bar1_idx_read(struct octeon_device *oct, u32 idx)
oct, CN23XX_PEM_BAR1_INDEX_REG(oct->pcie_port, idx));
}
-/* always call with lock held */
+/* Always call with lock held */
static u32 cn23xx_update_read_index(struct octeon_instr_queue *iq)
{
u32 new_idx;
@@ -919,7 +919,7 @@ static u32 cn23xx_update_read_index(struct octeon_instr_queue *iq)
iq->pkt_in_done = pkt_in_done;
/* Modulo of the new index with the IQ size will give us
- * the new index. The iq->reset_instr_cnt is always zero for
+ * the new index. The iq->reset_instr_cnt is always zero for
* cn23xx, so no extra adjustments are needed.
*/
new_idx = (iq->octeon_read_index +
@@ -934,8 +934,8 @@ static void cn23xx_enable_pf_interrupt(struct octeon_device *oct, u8 intr_flag)
struct octeon_cn23xx_pf *cn23xx = (struct octeon_cn23xx_pf *)oct->chip;
u64 intr_val = 0;
- /* Divide the single write to multiple writes based on the flag. */
- /* Enable Interrupt */
+ /* Divide the single write to multiple writes based on the flag. */
+ /* Enable Interrupts */
if (intr_flag == OCTEON_ALL_INTR) {
writeq(cn23xx->intr_mask64, cn23xx->intr_enb_reg64);
} else if (intr_flag & OCTEON_OUTPUT_INTR) {
@@ -990,7 +990,7 @@ static int cn23xx_get_pf_num(struct octeon_device *oct)
ret = 0;
- /** Read Function Dependency Link reg to get the function number */
+ /* Read Function Dependency Link reg to get the function number */
if (pci_read_config_dword(oct->pci_dev, CN23XX_PCIE_SRIOV_FDL,
&fdl_bit) == 0) {
oct->pf_num = ((fdl_bit >> CN23XX_PCIE_SRIOV_FDL_BIT_POS) &
@@ -1003,13 +1003,13 @@ static int cn23xx_get_pf_num(struct octeon_device *oct)
* In this case, read the PF number from the
* SLI_PKT0_INPUT_CONTROL reg (written by f/w)
*/
- pkt0_in_ctl = octeon_read_csr64(oct,
- CN23XX_SLI_IQ_PKT_CONTROL64(0));
+ pkt0_in_ctl =
+ octeon_read_csr64(oct, CN23XX_SLI_IQ_PKT_CONTROL64(0));
pfnum = (pkt0_in_ctl >> CN23XX_PKT_INPUT_CTL_PF_NUM_POS) &
CN23XX_PKT_INPUT_CTL_PF_NUM_MASK;
mac = (octeon_read_csr(oct, CN23XX_SLI_MAC_NUMBER)) & 0xff;
- /* validate PF num by reading RINFO; f/w writes RINFO.trs == 1*/
+ /* Validate PF num by reading RINFO; f/w writes RINFO.trs == 1 */
d64 = octeon_read_csr64(oct,
CN23XX_SLI_PKT_MAC_RINFO64(mac, pfnum));
trs = (int)(d64 >> CN23XX_PKT_MAC_CTL_RINFO_TRS_BIT_POS) & 0xff;
@@ -1252,9 +1252,9 @@ int cn23xx_fw_loaded(struct octeon_device *oct)
u64 val;
/* If there's more than one active PF on this NIC, then that
- * implies that the NIC firmware is loaded and running. This check
+ * implies that the NIC firmware is loaded and running. This check
* prevents a rare false negative that might occur if we only relied
- * on checking the SCR2_BIT_FW_LOADED flag. The false negative would
+ * on checking the SCR2_BIT_FW_LOADED flag. The false negative would
* happen if the PF driver sees SCR2_BIT_FW_LOADED as cleared even
* though the firmware was already loaded but still booting and has yet
* to set SCR2_BIT_FW_LOADED.
base-commit: 99fa936e8e4f117d62f229003c9799686f74cebc
--
2.48.1
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