Re: [PATCH] cpufreq: powernow-k8: Fix checkpatch warnings

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On Wednesday, April 23, 2014 12:13:54 AM Stratos Karafotis wrote:
> Fix the following checkpatch warnings:

In addition to comments from Viresh, I have a general one.

Some of the checkpatch.pl warnings are not worth fixing at all ->

> - WARNING: Prefer pr_err(... to printk(KERN_ERR ...
> - WARNING: Prefer pr_info(... to printk(KERN_INFO ...
> - WARNING: Prefer pr_warn(... to printk(KERN_WARNING ...
> - WARNING: quoted string split across lines
> - WARNING: line over 80 characters

-> and the "line over 80 characters" ones are outright wrong in many cases,
so please don't "fix" them.

> - WARNING: please, no spaces at the start of a line
> 
> Also, define the pr_fmt macro instead of PFX for the module name.
> 
> Signed-off-by: Stratos Karafotis <stratosk@xxxxxxxxxxxx>
> ---
>  drivers/cpufreq/powernow-k8.c | 180 ++++++++++++++++++------------------------
>  drivers/cpufreq/powernow-k8.h |  11 ++-
>  2 files changed, 84 insertions(+), 107 deletions(-)
> 
> diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
> index 1b6ae6b..fa0386e 100644
> --- a/drivers/cpufreq/powernow-k8.c
> +++ b/drivers/cpufreq/powernow-k8.c
> @@ -27,6 +27,8 @@
>   *  power and thermal data sheets, (e.g. 30417.pdf, 30430.pdf, 43375.pdf)
>   */
>  
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
>  #include <linux/kernel.h>
>  #include <linux/smp.h>
>  #include <linux/module.h>
> @@ -45,7 +47,6 @@
>  #include <linux/mutex.h>
>  #include <acpi/processor.h>
>  
> -#define PFX "powernow-k8: "
>  #define VERSION "version 2.20.00"
>  #include "powernow-k8.h"
>  
> @@ -161,7 +162,7 @@ static int write_new_fid(struct powernow_k8_data *data, u32 fid)
>  	u32 i = 0;
>  
>  	if ((fid & INVALID_FID_MASK) || (data->currvid & INVALID_VID_MASK)) {
> -		printk(KERN_ERR PFX "internal error - overflow on fid write\n");
> +		pr_err("internal error - overflow on fid write\n");
>  		return 1;
>  	}
>  
> @@ -175,9 +176,7 @@ static int write_new_fid(struct powernow_k8_data *data, u32 fid)
>  	do {
>  		wrmsr(MSR_FIDVID_CTL, lo, data->plllock * PLL_LOCK_CONVERSION);
>  		if (i++ > 100) {
> -			printk(KERN_ERR PFX
> -				"Hardware error - pending bit very stuck - "
> -				"no further pstate changes possible\n");
> +			pr_err("Hardware error - pending bit very stuck - no further pstate changes possible\n");
>  			return 1;
>  		}
>  	} while (query_current_values_with_pending_wait(data));
> @@ -185,16 +184,14 @@ static int write_new_fid(struct powernow_k8_data *data, u32 fid)
>  	count_off_irt(data);
>  
>  	if (savevid != data->currvid) {
> -		printk(KERN_ERR PFX
> -			"vid change on fid trans, old 0x%x, new 0x%x\n",
> -			savevid, data->currvid);
> +		pr_err("vid change on fid trans, old 0x%x, new 0x%x\n",
> +		       savevid, data->currvid);
>  		return 1;
>  	}
>  
>  	if (fid != data->currfid) {
> -		printk(KERN_ERR PFX
> -			"fid trans failed, fid 0x%x, curr 0x%x\n", fid,
> -			data->currfid);
> +		pr_err("fid trans failed, fid 0x%x, curr 0x%x\n", fid,
> +		       data->currfid);
>  		return 1;
>  	}
>  
> @@ -209,7 +206,7 @@ static int write_new_vid(struct powernow_k8_data *data, u32 vid)
>  	int i = 0;
>  
>  	if ((data->currfid & INVALID_FID_MASK) || (vid & INVALID_VID_MASK)) {
> -		printk(KERN_ERR PFX "internal error - overflow on vid write\n");
> +		pr_err("internal error - overflow on vid write\n");
>  		return 1;
>  	}
>  
> @@ -223,23 +220,19 @@ static int write_new_vid(struct powernow_k8_data *data, u32 vid)
>  	do {
>  		wrmsr(MSR_FIDVID_CTL, lo, STOP_GRANT_5NS);
>  		if (i++ > 100) {
> -			printk(KERN_ERR PFX "internal error - pending bit "
> -					"very stuck - no further pstate "
> -					"changes possible\n");
> +			pr_err("internal error - pending bit very stuck - no further pstate changes possible\n");
>  			return 1;
>  		}
>  	} while (query_current_values_with_pending_wait(data));
>  
>  	if (savefid != data->currfid) {
> -		printk(KERN_ERR PFX "fid changed on vid trans, old "
> -			"0x%x new 0x%x\n",
> -		       savefid, data->currfid);
> +		pr_err("fid changed on vid trans, old 0x%x new 0x%x\n",
> +			savefid, data->currfid);
>  		return 1;
>  	}
>  
>  	if (vid != data->currvid) {
> -		printk(KERN_ERR PFX "vid trans failed, vid 0x%x, "
> -				"curr 0x%x\n",
> +		pr_err("vid trans failed, vid 0x%x, curr 0x%x\n",
>  				vid, data->currvid);
>  		return 1;
>  	}
> @@ -283,8 +276,7 @@ static int transition_fid_vid(struct powernow_k8_data *data,
>  		return 1;
>  
>  	if ((reqfid != data->currfid) || (reqvid != data->currvid)) {
> -		printk(KERN_ERR PFX "failed (cpu%d): req 0x%x 0x%x, "
> -				"curr 0x%x 0x%x\n",
> +		pr_err("failed (cpu%d): req 0x%x 0x%x, curr 0x%x 0x%x\n",
>  				smp_processor_id(),
>  				reqfid, reqvid, data->currfid, data->currvid);
>  		return 1;
> @@ -304,8 +296,7 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data,
>  	u32 savefid = data->currfid;
>  	u32 maxvid, lo, rvomult = 1;
>  
> -	pr_debug("ph1 (cpu%d): start, currfid 0x%x, currvid 0x%x, "
> -		"reqvid 0x%x, rvo 0x%x\n",
> +	pr_debug("ph1 (cpu%d): start, currfid 0x%x, currvid 0x%x, reqvid 0x%x, rvo 0x%x\n",
>  		smp_processor_id(),
>  		data->currfid, data->currvid, reqvid, data->rvo);
>  
> @@ -342,7 +333,7 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data,
>  		return 1;
>  
>  	if (savefid != data->currfid) {
> -		printk(KERN_ERR PFX "ph1 err, currfid changed 0x%x\n",
> +		pr_err("ph1 err, currfid changed 0x%x\n",
>  				data->currfid);
>  		return 1;
>  	}
> @@ -360,13 +351,11 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid)
>  	u32 fid_interval, savevid = data->currvid;
>  
>  	if (data->currfid == reqfid) {
> -		printk(KERN_ERR PFX "ph2 null fid transition 0x%x\n",
> -				data->currfid);
> +		pr_err("ph2 null fid transition 0x%x\n", data->currfid);
>  		return 0;
>  	}
>  
> -	pr_debug("ph2 (cpu%d): starting, currfid 0x%x, currvid 0x%x, "
> -		"reqfid 0x%x\n",
> +	pr_debug("ph2 (cpu%d): starting, currfid 0x%x, currvid 0x%x, reqfid 0x%x\n",
>  		smp_processor_id(),
>  		data->currfid, data->currvid, reqfid);
>  
> @@ -409,15 +398,13 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid)
>  		return 1;
>  
>  	if (data->currfid != reqfid) {
> -		printk(KERN_ERR PFX
> -			"ph2: mismatch, failed fid transition, "
> -			"curr 0x%x, req 0x%x\n",
> +		pr_err("ph2: mismatch, failed fid transition, curr 0x%x, req 0x%x\n",
>  			data->currfid, reqfid);
>  		return 1;
>  	}
>  
>  	if (savevid != data->currvid) {
> -		printk(KERN_ERR PFX "ph2: vid changed, save 0x%x, curr 0x%x\n",
> +		pr_err("ph2: vid changed, save 0x%x, curr 0x%x\n",
>  			savevid, data->currvid);
>  		return 1;
>  	}
> @@ -444,16 +431,13 @@ static int core_voltage_post_transition(struct powernow_k8_data *data,
>  			return 1;
>  
>  		if (savefid != data->currfid) {
> -			printk(KERN_ERR PFX
> -			       "ph3: bad fid change, save 0x%x, curr 0x%x\n",
> +			pr_err("ph3: bad fid change, save 0x%x, curr 0x%x\n",
>  			       savefid, data->currfid);
>  			return 1;
>  		}
>  
>  		if (data->currvid != reqvid) {
> -			printk(KERN_ERR PFX
> -			       "ph3: failed vid transition\n, "
> -			       "req 0x%x, curr 0x%x",
> +			pr_err("ph3: failed vid transition\n, req 0x%x, curr 0x%x",
>  			       reqvid, data->currvid);
>  			return 1;
>  		}
> @@ -498,23 +482,20 @@ static void check_supported_cpu(void *_rc)
>  	if ((eax & CPUID_XFAM) == CPUID_XFAM_K8) {
>  		if (((eax & CPUID_USE_XFAM_XMOD) != CPUID_USE_XFAM_XMOD) ||
>  		    ((eax & CPUID_XMOD) > CPUID_XMOD_REV_MASK)) {
> -			printk(KERN_INFO PFX
> -				"Processor cpuid %x not supported\n", eax);
> +			pr_info("Processor cpuid %x not supported\n", eax);
>  			return;
>  		}
>  
>  		eax = cpuid_eax(CPUID_GET_MAX_CAPABILITIES);
>  		if (eax < CPUID_FREQ_VOLT_CAPABILITIES) {
> -			printk(KERN_INFO PFX
> -			       "No frequency change capabilities detected\n");
> +			pr_info("No frequency change capabilities detected\n");
>  			return;
>  		}
>  
>  		cpuid(CPUID_FREQ_VOLT_CAPABILITIES, &eax, &ebx, &ecx, &edx);
>  		if ((edx & P_STATE_TRANSITION_CAPABLE)
>  			!= P_STATE_TRANSITION_CAPABLE) {
> -			printk(KERN_INFO PFX
> -				"Power state transitions not supported\n");
> +			pr_info("Power state transitions not supported\n");
>  			return;
>  		}
>  		*rc = 0;
> @@ -529,43 +510,39 @@ static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst,
>  
>  	for (j = 0; j < data->numps; j++) {
>  		if (pst[j].vid > LEAST_VID) {
> -			printk(KERN_ERR FW_BUG PFX "vid %d invalid : 0x%x\n",
> -			       j, pst[j].vid);
> +			pr_err(FW_BUG "vid %d invalid : 0x%x\n", j,
> +			       pst[j].vid);
>  			return -EINVAL;
>  		}
>  		if (pst[j].vid < data->rvo) {
>  			/* vid + rvo >= 0 */
> -			printk(KERN_ERR FW_BUG PFX "0 vid exceeded with pstate"
> -			       " %d\n", j);
> +			pr_err(FW_BUG "0 vid exceeded with pstate %d\n", j);
>  			return -ENODEV;
>  		}
>  		if (pst[j].vid < maxvid + data->rvo) {
>  			/* vid + rvo >= maxvid */
> -			printk(KERN_ERR FW_BUG PFX "maxvid exceeded with pstate"
> -			       " %d\n", j);
> +			pr_err(FW_BUG "maxvid exceeded with pstate %d\n", j);
>  			return -ENODEV;
>  		}
>  		if (pst[j].fid > MAX_FID) {
> -			printk(KERN_ERR FW_BUG PFX "maxfid exceeded with pstate"
> -			       " %d\n", j);
> +			pr_err(FW_BUG "maxfid exceeded with pstate %d\n", j);
>  			return -ENODEV;
>  		}
>  		if (j && (pst[j].fid < HI_FID_TABLE_BOTTOM)) {
>  			/* Only first fid is allowed to be in "low" range */
> -			printk(KERN_ERR FW_BUG PFX "two low fids - %d : "
> -			       "0x%x\n", j, pst[j].fid);
> +			pr_err(FW_BUG "two low fids - %d : 0x%x\n", j,
> +			       pst[j].fid);
>  			return -EINVAL;
>  		}
>  		if (pst[j].fid < lastfid)
>  			lastfid = pst[j].fid;
>  	}
>  	if (lastfid & 1) {
> -		printk(KERN_ERR FW_BUG PFX "lastfid invalid\n");
> +		pr_err(FW_BUG "lastfid invalid\n");
>  		return -EINVAL;
>  	}
>  	if (lastfid > LO_FID_TABLE_TOP)
> -		printk(KERN_INFO FW_BUG PFX
> -			"first fid not from lo freq table\n");
> +		pr_info(FW_BUG "first fid not from lo freq table\n");
>  
>  	return 0;
>  }
> @@ -582,16 +559,14 @@ static void print_basics(struct powernow_k8_data *data)
>  	for (j = 0; j < data->numps; j++) {
>  		if (data->powernow_table[j].frequency !=
>  				CPUFREQ_ENTRY_INVALID) {
> -				printk(KERN_INFO PFX
> -					"fid 0x%x (%d MHz), vid 0x%x\n",
> -					data->powernow_table[j].driver_data & 0xff,
> -					data->powernow_table[j].frequency/1000,
> -					data->powernow_table[j].driver_data >> 8);
> +			pr_info("fid 0x%x (%d MHz), vid 0x%x\n",
> +				data->powernow_table[j].driver_data & 0xff,
> +				data->powernow_table[j].frequency/1000,
> +				data->powernow_table[j].driver_data >> 8);
>  		}
>  	}
>  	if (data->batps)
> -		printk(KERN_INFO PFX "Only %d pstates on battery\n",
> -				data->batps);
> +		pr_info("Only %d pstates on battery\n", data->batps);
>  }
>  
>  static int fill_powernow_table(struct powernow_k8_data *data,
> @@ -602,21 +577,20 @@ static int fill_powernow_table(struct powernow_k8_data *data,
>  
>  	if (data->batps) {
>  		/* use ACPI support to get full speed on mains power */
> -		printk(KERN_WARNING PFX
> -			"Only %d pstates usable (use ACPI driver for full "
> -			"range\n", data->batps);
> +		pr_warn("Only %d pstates usable (use ACPI driver for full range\n",
> +			data->batps);
>  		data->numps = data->batps;
>  	}
>  
>  	for (j = 1; j < data->numps; j++) {
>  		if (pst[j-1].fid >= pst[j].fid) {
> -			printk(KERN_ERR PFX "PST out of sequence\n");
> +			pr_err("PST out of sequence\n");
>  			return -EINVAL;
>  		}
>  	}
>  
>  	if (data->numps < 2) {
> -		printk(KERN_ERR PFX "no p states to transition\n");
> +		pr_err("no p states to transition\n");
>  		return -ENODEV;
>  	}
>  
> @@ -626,14 +600,16 @@ static int fill_powernow_table(struct powernow_k8_data *data,
>  	powernow_table = kzalloc((sizeof(*powernow_table)
>  		* (data->numps + 1)), GFP_KERNEL);
>  	if (!powernow_table) {
> -		printk(KERN_ERR PFX "powernow_table memory alloc failure\n");
> +		pr_err("powernow_table memory alloc failure\n");
>  		return -ENOMEM;
>  	}
>  
>  	for (j = 0; j < data->numps; j++) {
>  		int freq;
> -		powernow_table[j].driver_data = pst[j].fid; /* lower 8 bits */
> -		powernow_table[j].driver_data |= (pst[j].vid << 8); /* upper 8 bits */
> +		/* lower 8 bits */
> +		powernow_table[j].driver_data = pst[j].fid;
> +		/* upper 8 bits */
> +		powernow_table[j].driver_data |= (pst[j].vid << 8);
>  		freq = find_khz_freq_from_fid(pst[j].fid);
>  		powernow_table[j].frequency = freq;
>  	}
> @@ -681,13 +657,13 @@ static int find_psb_table(struct powernow_k8_data *data)
>  
>  		pr_debug("table vers: 0x%x\n", psb->tableversion);
>  		if (psb->tableversion != PSB_VERSION_1_4) {
> -			printk(KERN_ERR FW_BUG PFX "PSB table is not v1.4\n");
> +			pr_err(FW_BUG "PSB table is not v1.4\n");
>  			return -ENODEV;
>  		}
>  
>  		pr_debug("flags: 0x%x\n", psb->flags1);
>  		if (psb->flags1) {
> -			printk(KERN_ERR FW_BUG PFX "unknown flags\n");
> +			pr_err(FW_BUG "unknown flags\n");
>  			return -ENODEV;
>  		}
>  
> @@ -704,7 +680,8 @@ static int find_psb_table(struct powernow_k8_data *data)
>  
>  		pr_debug("ramp voltage offset: %d\n", data->rvo);
>  		pr_debug("isochronous relief time: %d\n", data->irt);
> -		pr_debug("maximum voltage step: %d - 0x%x\n", mvs, data->vidmvs);
> +		pr_debug("maximum voltage step: %d - 0x%x\n", mvs,
> +			 data->vidmvs);
>  
>  		pr_debug("numpst: 0x%x\n", psb->num_tables);
>  		cpst = psb->num_tables;
> @@ -716,7 +693,7 @@ static int find_psb_table(struct powernow_k8_data *data)
>  				cpst = 1;
>  		}
>  		if (cpst != 1) {
> -			printk(KERN_ERR FW_BUG PFX "numpst must be 1\n");
> +			pr_err(FW_BUG "numpst must be 1\n");
>  			return -ENODEV;
>  		}
>  
> @@ -742,9 +719,8 @@ static int find_psb_table(struct powernow_k8_data *data)
>  	 * BIOS and Kernel Developer's Guide, which is available on
>  	 * www.amd.com
>  	 */
> -	printk(KERN_ERR FW_BUG PFX "No PSB or ACPI _PSS objects\n");
> -	printk(KERN_ERR PFX "Make sure that your BIOS is up to date"
> -		" and Cool'N'Quiet support is enabled in BIOS setup\n");
> +	pr_err(FW_BUG "No PSB or ACPI _PSS objects\n");
> +	pr_err("Make sure that your BIOS is up to date and Cool'N'Quiet support is enabled in BIOS setup\n");
>  	return -ENODEV;
>  }
>  
> @@ -819,8 +795,7 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
>  	acpi_processor_notify_smm(THIS_MODULE);
>  
>  	if (!zalloc_cpumask_var(&data->acpi_data.shared_cpu_map, GFP_KERNEL)) {
> -		printk(KERN_ERR PFX
> -				"unable to alloc powernow_k8_data cpumask\n");
> +		pr_err("unable to alloc powernow_k8_data cpumask\n");
>  		ret_val = -ENOMEM;
>  		goto err_out_mem;
>  	}
> @@ -885,9 +860,8 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data,
>  		}
>  
>  		if (freq != (data->acpi_data.states[i].core_frequency * 1000)) {
> -			printk(KERN_INFO PFX "invalid freq entries "
> -				"%u kHz vs. %u kHz\n", freq,
> -				(unsigned int)
> +			pr_info("invalid freq entries %u kHz vs. %u kHz\n",
> +				freq, (unsigned int)
>  				(data->acpi_data.states[i].core_frequency
>  				 * 1000));
>  			invalidate_entry(powernow_table, i);
> @@ -916,7 +890,7 @@ static int get_transition_latency(struct powernow_k8_data *data)
>  			max_latency = cur_latency;
>  	}
>  	if (max_latency == 0) {
> -		pr_err(FW_WARN PFX "Invalid zero transition latency\n");
> +		pr_err(FW_WARN "Invalid zero transition latency\n");
>  		max_latency = 1;
>  	}
>  	/* value in usecs, needs to be in nanoseconds */
> @@ -991,7 +965,7 @@ static long powernowk8_target_fn(void *arg)
>  	checkvid = data->currvid;
>  
>  	if (pending_bit_stuck()) {
> -		printk(KERN_ERR PFX "failing targ, change pending bit set\n");
> +		pr_err("failing targ, change pending bit set\n");
>  		return -EIO;
>  	}
>  
> @@ -1007,8 +981,7 @@ static long powernowk8_target_fn(void *arg)
>  
>  	if ((checkvid != data->currvid) ||
>  	    (checkfid != data->currfid)) {
> -		pr_info(PFX
> -		       "error - out of sync, fix 0x%x 0x%x, vid 0x%x 0x%x\n",
> +		pr_info("error - out of sync, fix 0x%x 0x%x, vid 0x%x 0x%x\n",
>  		       checkfid, data->currfid,
>  		       checkvid, data->currvid);
>  	}
> @@ -1020,7 +993,7 @@ static long powernowk8_target_fn(void *arg)
>  	ret = transition_frequency_fidvid(data, newstate);
>  
>  	if (ret) {
> -		printk(KERN_ERR PFX "transition frequency failed\n");
> +		pr_err("transition frequency failed\n");
>  		mutex_unlock(&fidvid_mutex);
>  		return 1;
>  	}
> @@ -1049,7 +1022,7 @@ static void powernowk8_cpu_init_on_cpu(void *_init_on_cpu)
>  	struct init_on_cpu *init_on_cpu = _init_on_cpu;
>  
>  	if (pending_bit_stuck()) {
> -		printk(KERN_ERR PFX "failing init, change pending bit set\n");
> +		pr_err("failing init, change pending bit set\n");
>  		init_on_cpu->rc = -ENODEV;
>  		return;
>  	}
> @@ -1066,9 +1039,12 @@ static void powernowk8_cpu_init_on_cpu(void *_init_on_cpu)
>  
>  static const char missing_pss_msg[] =
>  	KERN_ERR
> -	FW_BUG PFX "No compatible ACPI _PSS objects found.\n"
> -	FW_BUG PFX "First, make sure Cool'N'Quiet is enabled in the BIOS.\n"
> -	FW_BUG PFX "If that doesn't help, try upgrading your BIOS.\n";
> +	FW_BUG KBUILD_MODNAME
> +	"No compatible ACPI _PSS objects found.\n"
> +	FW_BUG KBUILD_MODNAME
> +	"First, make sure Cool'N'Quiet is enabled in the BIOS.\n"
> +	FW_BUG KBUILD_MODNAME
> +	"If that doesn't help, try upgrading your BIOS.\n";
>  
>  /* per CPU init entry point to the driver */
>  static int powernowk8_cpu_init(struct cpufreq_policy *pol)
> @@ -1083,7 +1059,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol)
>  
>  	data = kzalloc(sizeof(*data), GFP_KERNEL);
>  	if (!data) {
> -		printk(KERN_ERR PFX "unable to alloc powernow_k8_data");
> +		pr_err("unable to alloc powernow_k8_data");
>  		return -ENOMEM;
>  	}
>  
> @@ -1099,9 +1075,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol)
>  			goto err_out;
>  		}
>  		if (pol->cpu != 0) {
> -			printk(KERN_ERR FW_BUG PFX "No ACPI _PSS objects for "
> -			       "CPU other than CPU0. Complain to your BIOS "
> -			       "vendor.\n");
> +			pr_err(FW_BUG "No ACPI _PSS objects for CPU other than CPU0. Complain to your BIOS vendor.\n");
>  			goto err_out;
>  		}
>  		rc = find_psb_table(data);
> @@ -1129,7 +1103,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol)
>  
>  	/* min/max the cpu is capable of */
>  	if (cpufreq_table_validate_and_show(pol, data->powernow_table)) {
> -		printk(KERN_ERR FW_BUG PFX "invalid powernow_table\n");
> +		pr_err(FW_BUG "invalid powernow_table\n");
>  		powernow_k8_cpu_exit_acpi(data);
>  		kfree(data->powernow_table);
>  		kfree(data);
> @@ -1220,12 +1194,12 @@ static void __request_acpi_cpufreq(void)
>  		goto request;
>  
>  	if (strncmp(cur_drv, drv, min_t(size_t, strlen(cur_drv), strlen(drv))))
> -		pr_warn(PFX "WTF driver: %s\n", cur_drv);
> +		pr_warn("WTF driver: %s\n", cur_drv);
>  
>  	return;
>  
>   request:
> -	pr_warn(PFX "This CPU is not supported anymore, using acpi-cpufreq instead.\n");
> +	pr_warn("This CPU is not supported anymore, using acpi-cpufreq instead.\n");
>  	request_module(drv);
>  }
>  
> @@ -1260,7 +1234,7 @@ static int powernowk8_init(void)
>  	if (ret)
>  		return ret;
>  
> -	pr_info(PFX "Found %d %s (%d cpu cores) (" VERSION ")\n",
> +	pr_info("Found %d %s (%d cpu cores) (" VERSION ")\n",
>  		num_online_nodes(), boot_cpu_data.x86_model_id, supported_cpus);
>  
>  	return ret;
> @@ -1274,8 +1248,8 @@ static void __exit powernowk8_exit(void)
>  	cpufreq_unregister_driver(&cpufreq_amd64_driver);
>  }
>  
> -MODULE_AUTHOR("Paul Devriendt <paul.devriendt@xxxxxxx> and "
> -		"Mark Langsdorf <mark.langsdorf@xxxxxxx>");
> +MODULE_AUTHOR("Paul Devriendt <paul.devriendt@xxxxxxx>");
> +MODULE_AUTHOR("Mark Langsdorf <mark.langsdorf@xxxxxxx>");
>  MODULE_DESCRIPTION("AMD Athlon 64 and Opteron processor frequency driver.");
>  MODULE_LICENSE("GPL");
>  
> diff --git a/drivers/cpufreq/powernow-k8.h b/drivers/cpufreq/powernow-k8.h
> index 79329d4..0f4aa07 100644
> --- a/drivers/cpufreq/powernow-k8.h
> +++ b/drivers/cpufreq/powernow-k8.h
> @@ -19,7 +19,7 @@ struct powernow_k8_data {
>  	u32 vidmvs;  /* usable value calculated from mvs */
>  	u32 vstable; /* voltage stabilization time, units 20 us */
>  	u32 plllock; /* pll lock time, units 1 us */
> -        u32 exttype; /* extended interface = 1 */
> +	u32 exttype; /* extended interface = 1 */
>  
>  	/* keep track of the current fid / vid or pstate */
>  	u32 currvid;
> @@ -182,9 +182,12 @@ struct pst_s {
>  
>  static int core_voltage_pre_transition(struct powernow_k8_data *data,
>  	u32 reqvid, u32 regfid);
> -static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvid);
> +static int core_voltage_post_transition(struct powernow_k8_data *data,
> +					u32 reqvid);
>  static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid);
>  
> -static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index);
> +static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data,
> +					unsigned int index);
>  
> -static int fill_powernow_table_fidvid(struct powernow_k8_data *data, struct cpufreq_frequency_table *powernow_table);
> +static int fill_powernow_table_fidvid(struct powernow_k8_data *data,
> +			struct cpufreq_frequency_table *powernow_table);
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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