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Wed, 04 Feb 2026 01:54:58 -0800 (PST) Date: Wed, 4 Feb 2026 12:54:55 +0300 From: Dan Carpenter To: Artem Lytkin Cc: Sudip Mukherjee , Teddy Wang , Greg Kroah-Hartman , linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/4] staging: sm750fb: convert pr_* to dev_* logging in sm750.c Message-ID: References: <20260203230758.3056-1-iprintercanon@gmail.com> <20260203230758.3056-3-iprintercanon@gmail.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260203230758.3056-3-iprintercanon@gmail.com> On Tue, Feb 03, 2026 at 11:07:57PM +0000, Artem Lytkin wrote: > Convert pr_info/pr_err/pr_debug/pr_warn calls to their dev_* > equivalents in functions where device context is available via > info->device or par->dev->pdev->dev. This adds device identification > to log messages, improving debuggability in multi-device systems. > > Signed-off-by: Artem Lytkin > --- > drivers/staging/sm750fb/sm750.c | 107 ++++++++++++++++---------------- > 1 file changed, 54 insertions(+), 53 deletions(-) > > diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c > index bd2d4a290..247c58556 100644 > --- a/drivers/staging/sm750fb/sm750.c > +++ b/drivers/staging/sm750fb/sm750.c > @@ -375,7 +375,7 @@ static int lynxfb_ops_set_par(struct fb_info *info) > line_length = var->xres_virtual * var->bits_per_pixel / 8; > line_length = ALIGN(line_length, crtc->line_pad); > fix->line_length = line_length; > - pr_info("fix->line_length = %d\n", fix->line_length); > + dev_info(info->device, "fix->line_length = %d\n", fix->line_length); Just delete this sort of thing. > > /* > * var->red,green,blue,transp are need to be set by driver > @@ -389,7 +389,8 @@ static int lynxfb_ops_set_par(struct fb_info *info) > var->accel_flags = 0;/*FB_ACCELF_TEXT;*/ > > if (ret) { > - pr_err("bpp %d not supported\n", var->bits_per_pixel); > + dev_err(info->device, "bpp %d not supported\n", > + var->bits_per_pixel); > return ret; > } > ret = hw_sm750_crtc_set_mode(crtc, var, fix); > @@ -485,15 +486,16 @@ static int lynxfb_ops_check_var(struct fb_var_screeninfo *var, > par = info->par; > crtc = &par->crtc; > > - pr_debug("check var:%dx%d-%d\n", > - var->xres, > - var->yres, > - var->bits_per_pixel); > + dev_dbg(info->device, "check var:%dx%d-%d\n", > + var->xres, > + var->yres, > + var->bits_per_pixel); > > ret = lynxfb_set_color_offsets(info); > > if (ret) { > - pr_err("bpp %d not supported\n", var->bits_per_pixel); > + dev_err(info->device, "bpp %d not supported\n", > + var->bits_per_pixel); > return ret; > } > > @@ -508,7 +510,7 @@ static int lynxfb_ops_check_var(struct fb_var_screeninfo *var, > request = ALIGN(request, crtc->line_pad); > request = request * var->yres_virtual; > if (crtc->vidmem_size < request) { > - pr_err("not enough video memory for mode\n"); > + dev_err(info->device, "not enough video memory for mode\n"); > return -ENOMEM; > } > > @@ -533,7 +535,7 @@ static int lynxfb_ops_setcolreg(unsigned int regno, > ret = 0; > > if (regno > 256) { > - pr_err("regno = %d\n", regno); > + dev_err(info->device, "regno = %d\n", regno); > return -EINVAL; > } > > @@ -580,10 +582,10 @@ static int lynxfb_ops_blank(int blank, struct fb_info *info) > struct lynxfb_par *par; > struct lynxfb_output *output; > > - pr_debug("blank = %d.\n", blank); > par = info->par; > output = &par->output; > sm750_dev = par->dev; > + dev_dbg(info->device, "blank = %d.\n", blank); > > if (sm750_dev->revid == SM750LE_REVISION_ID) > return hw_sm750le_set_blank(output, blank); > @@ -625,7 +627,7 @@ static int sm750fb_set_drv(struct lynxfb_par *par) > crtc->channel = sm750_primary; > crtc->o_screen = 0; > crtc->v_screen = sm750_dev->pvMem; > - pr_info("use simul primary mode\n"); > + dev_info(&par->dev->pdev->dev, "use simul primary mode\n"); Is this useful? > break; > case sm750_simul_sec: > output->paths = sm750_pnc; > @@ -767,7 +769,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) > crtc->cursor.mmio = sm750_dev->pvReg + > 0x800f0 + (int)crtc->channel * 0x140; > > - pr_info("crtc->cursor.mmio = %p\n", crtc->cursor.mmio); > + dev_info(info->device, "crtc->cursor.mmio = %p\n", crtc->cursor.mmio); Delete. Okay, follow the same pattern and delete the debug code which is printed as _info. regards, dan carpenter