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From:   Andrew Jeffery <andrew@aj.id.au>
To:     openipmi-developer@lists.sourceforge.net, openbmc@lists.ozlabs.org,
        minyard@acm.org
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        benjaminfair@google.com, arnd@arndb.de, zweiss@equinix.com,
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Subject: [PATCH v4 03/16] ipmi: kcs_bmc: Rename {read,write}_{status,data}() functions
Date:   Tue,  8 Jun 2021 20:17:44 +0930
Message-Id: <20210608104757.582199-4-andrew@aj.id.au>
In-Reply-To: <20210608104757.582199-1-andrew@aj.id.au>
References: <20210608104757.582199-1-andrew@aj.id.au>
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Rename the functions in preparation for separating the IPMI chardev out
from the KCS BMC core.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Zev Weiss <zweiss@equinix.com>
---
 drivers/char/ipmi/kcs_bmc.c | 52 ++++++++++++++++++-------------------
 1 file changed, 25 insertions(+), 27 deletions(-)

diff --git a/drivers/char/ipmi/kcs_bmc.c b/drivers/char/ipmi/kcs_bmc.c
index 58fb1a7bd50d..c4336c1f2d6d 100644
--- a/drivers/char/ipmi/kcs_bmc.c
+++ b/drivers/char/ipmi/kcs_bmc.c
@@ -45,42 +45,42 @@ enum kcs_states {
 #define KCS_CMD_WRITE_END         0x62
 #define KCS_CMD_READ_BYTE         0x68
 
-static inline u8 read_data(struct kcs_bmc *kcs_bmc)
+static inline u8 kcs_bmc_read_data(struct kcs_bmc *kcs_bmc)
 {
 	return kcs_bmc->io_inputb(kcs_bmc, kcs_bmc->ioreg.idr);
 }
 
-static inline void write_data(struct kcs_bmc *kcs_bmc, u8 data)
+static inline void kcs_bmc_write_data(struct kcs_bmc *kcs_bmc, u8 data)
 {
 	kcs_bmc->io_outputb(kcs_bmc, kcs_bmc->ioreg.odr, data);
 }
 
-static inline u8 read_status(struct kcs_bmc *kcs_bmc)
+static inline u8 kcs_bmc_read_status(struct kcs_bmc *kcs_bmc)
 {
 	return kcs_bmc->io_inputb(kcs_bmc, kcs_bmc->ioreg.str);
 }
 
-static inline void write_status(struct kcs_bmc *kcs_bmc, u8 data)
+static inline void kcs_bmc_write_status(struct kcs_bmc *kcs_bmc, u8 data)
 {
 	kcs_bmc->io_outputb(kcs_bmc, kcs_bmc->ioreg.str, data);
 }
 
-static void update_status_bits(struct kcs_bmc *kcs_bmc, u8 mask, u8 val)
+static void kcs_bmc_update_status(struct kcs_bmc *kcs_bmc, u8 mask, u8 val)
 {
 	kcs_bmc->io_updateb(kcs_bmc, kcs_bmc->ioreg.str, mask, val);
 }
 
 static inline void set_state(struct kcs_bmc *kcs_bmc, u8 state)
 {
-	update_status_bits(kcs_bmc, KCS_STATUS_STATE_MASK,
+	kcs_bmc_update_status(kcs_bmc, KCS_STATUS_STATE_MASK,
 					KCS_STATUS_STATE(state));
 }
 
 static void kcs_force_abort(struct kcs_bmc *kcs_bmc)
 {
 	set_state(kcs_bmc, ERROR_STATE);
-	read_data(kcs_bmc);
-	write_data(kcs_bmc, KCS_ZERO_DATA);
+	kcs_bmc_read_data(kcs_bmc);
+	kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA);
 
 	kcs_bmc->phase = KCS_PHASE_ERROR;
 	kcs_bmc->data_in_avail = false;
@@ -99,9 +99,9 @@ static void kcs_bmc_handle_data(struct kcs_bmc *kcs_bmc)
 	case KCS_PHASE_WRITE_DATA:
 		if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) {
 			set_state(kcs_bmc, WRITE_STATE);
-			write_data(kcs_bmc, KCS_ZERO_DATA);
+			kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA);
 			kcs_bmc->data_in[kcs_bmc->data_in_idx++] =
-						read_data(kcs_bmc);
+						kcs_bmc_read_data(kcs_bmc);
 		} else {
 			kcs_force_abort(kcs_bmc);
 			kcs_bmc->error = KCS_LENGTH_ERROR;
@@ -112,7 +112,7 @@ static void kcs_bmc_handle_data(struct kcs_bmc *kcs_bmc)
 		if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) {
 			set_state(kcs_bmc, READ_STATE);
 			kcs_bmc->data_in[kcs_bmc->data_in_idx++] =
-						read_data(kcs_bmc);
+						kcs_bmc_read_data(kcs_bmc);
 			kcs_bmc->phase = KCS_PHASE_WRITE_DONE;
 			kcs_bmc->data_in_avail = true;
 			wake_up_interruptible(&kcs_bmc->queue);
@@ -126,34 +126,34 @@ static void kcs_bmc_handle_data(struct kcs_bmc *kcs_bmc)
 		if (kcs_bmc->data_out_idx == kcs_bmc->data_out_len)
 			set_state(kcs_bmc, IDLE_STATE);
 
-		data = read_data(kcs_bmc);
+		data = kcs_bmc_read_data(kcs_bmc);
 		if (data != KCS_CMD_READ_BYTE) {
 			set_state(kcs_bmc, ERROR_STATE);
-			write_data(kcs_bmc, KCS_ZERO_DATA);
+			kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA);
 			break;
 		}
 
 		if (kcs_bmc->data_out_idx == kcs_bmc->data_out_len) {
-			write_data(kcs_bmc, KCS_ZERO_DATA);
+			kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA);
 			kcs_bmc->phase = KCS_PHASE_IDLE;
 			break;
 		}
 
-		write_data(kcs_bmc,
+		kcs_bmc_write_data(kcs_bmc,
 			kcs_bmc->data_out[kcs_bmc->data_out_idx++]);
 		break;
 
 	case KCS_PHASE_ABORT_ERROR1:
 		set_state(kcs_bmc, READ_STATE);
-		read_data(kcs_bmc);
-		write_data(kcs_bmc, kcs_bmc->error);
+		kcs_bmc_read_data(kcs_bmc);
+		kcs_bmc_write_data(kcs_bmc, kcs_bmc->error);
 		kcs_bmc->phase = KCS_PHASE_ABORT_ERROR2;
 		break;
 
 	case KCS_PHASE_ABORT_ERROR2:
 		set_state(kcs_bmc, IDLE_STATE);
-		read_data(kcs_bmc);
-		write_data(kcs_bmc, KCS_ZERO_DATA);
+		kcs_bmc_read_data(kcs_bmc);
+		kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA);
 		kcs_bmc->phase = KCS_PHASE_IDLE;
 		break;
 
@@ -168,9 +168,9 @@ static void kcs_bmc_handle_cmd(struct kcs_bmc *kcs_bmc)
 	u8 cmd;
 
 	set_state(kcs_bmc, WRITE_STATE);
-	write_data(kcs_bmc, KCS_ZERO_DATA);
+	kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA);
 
-	cmd = read_data(kcs_bmc);
+	cmd = kcs_bmc_read_data(kcs_bmc);
 	switch (cmd) {
 	case KCS_CMD_WRITE_START:
 		kcs_bmc->phase = KCS_PHASE_WRITE_START;
@@ -212,7 +212,7 @@ int kcs_bmc_handle_event(struct kcs_bmc *kcs_bmc)
 
 	spin_lock_irqsave(&kcs_bmc->lock, flags);
 
-	status = read_status(kcs_bmc);
+	status = kcs_bmc_read_status(kcs_bmc);
 	if (status & KCS_STATUS_IBF) {
 		if (!kcs_bmc->running)
 			kcs_force_abort(kcs_bmc);
@@ -350,7 +350,7 @@ static ssize_t kcs_bmc_write(struct file *filp, const char __user *buf,
 		kcs_bmc->data_out_idx = 1;
 		kcs_bmc->data_out_len = count;
 		memcpy(kcs_bmc->data_out, kcs_bmc->kbuffer, count);
-		write_data(kcs_bmc, kcs_bmc->data_out[0]);
+		kcs_bmc_write_data(kcs_bmc, kcs_bmc->data_out[0]);
 		ret = count;
 	} else {
 		ret = -EINVAL;
@@ -373,13 +373,11 @@ static long kcs_bmc_ioctl(struct file *filp, unsigned int cmd,
 
 	switch (cmd) {
 	case IPMI_BMC_IOCTL_SET_SMS_ATN:
-		update_status_bits(kcs_bmc, KCS_STATUS_SMS_ATN,
-				   KCS_STATUS_SMS_ATN);
+		kcs_bmc_update_status(kcs_bmc, KCS_STATUS_SMS_ATN, KCS_STATUS_SMS_ATN);
 		break;
 
 	case IPMI_BMC_IOCTL_CLEAR_SMS_ATN:
-		update_status_bits(kcs_bmc, KCS_STATUS_SMS_ATN,
-				   0);
+		kcs_bmc_update_status(kcs_bmc, KCS_STATUS_SMS_ATN, 0);
 		break;
 
 	case IPMI_BMC_IOCTL_FORCE_ABORT:
-- 
2.30.2