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| author | Kees Cook <keescook@chromium.org> | 2017-10-19 14:08:22 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2017-11-02 15:50:37 -0700 |
| commit | 607a6301074fecfb855f08ecdd65b18d089e4143 (patch) | |
| tree | feb00f4a05700ff4db7fd96cc6250d6b388ccd4b | |
| parent | db275f2a02cd35d7a53564100ccf18ccb8a1130d (diff) | |
| download | linux-607a6301074fecfb855f08ecdd65b18d089e4143.tar.gz linux-607a6301074fecfb855f08ecdd65b18d089e4143.tar.bz2 linux-607a6301074fecfb855f08ecdd65b18d089e4143.zip | |
auxdisplay: Convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Paul Burton <paul.burton@mips.com>
Tested-by: Paul Burton <paul.burton@mips.com> # for img-ascii-lcd
| -rw-r--r-- | drivers/auxdisplay/img-ascii-lcd.c | 10 | ||||
| -rw-r--r-- | drivers/auxdisplay/panel.c | 4 |
2 files changed, 6 insertions, 8 deletions
diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c index 25306fa27251..c9e32d29ec81 100644 --- a/drivers/auxdisplay/img-ascii-lcd.c +++ b/drivers/auxdisplay/img-ascii-lcd.c @@ -229,9 +229,9 @@ MODULE_DEVICE_TABLE(of, img_ascii_lcd_matches); * Scroll the current message along the LCD by one character, rearming the * timer if required. */ -static void img_ascii_lcd_scroll(unsigned long arg) +static void img_ascii_lcd_scroll(struct timer_list *t) { - struct img_ascii_lcd_ctx *ctx = (struct img_ascii_lcd_ctx *)arg; + struct img_ascii_lcd_ctx *ctx = from_timer(ctx, t, timer); unsigned int i, ch = ctx->scroll_pos; unsigned int num_chars = ctx->cfg->num_chars; @@ -299,7 +299,7 @@ static int img_ascii_lcd_display(struct img_ascii_lcd_ctx *ctx, ctx->scroll_pos = 0; /* update the LCD */ - img_ascii_lcd_scroll((unsigned long)ctx); + img_ascii_lcd_scroll(&ctx->timer); return 0; } @@ -395,9 +395,7 @@ static int img_ascii_lcd_probe(struct platform_device *pdev) ctx->scroll_rate = HZ / 2; /* initialise a timer for scrolling the message */ - init_timer(&ctx->timer); - ctx->timer.function = img_ascii_lcd_scroll; - ctx->timer.data = (unsigned long)ctx; + timer_setup(&ctx->timer, img_ascii_lcd_scroll, 0); platform_set_drvdata(pdev, ctx); diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c index 6911acd896d9..ea7869c0d7f9 100644 --- a/drivers/auxdisplay/panel.c +++ b/drivers/auxdisplay/panel.c @@ -1396,7 +1396,7 @@ static void panel_process_inputs(void) } } -static void panel_scan_timer(void) +static void panel_scan_timer(struct timer_list *unused) { if (keypad.enabled && keypad_initialized) { if (spin_trylock_irq(&pprt_lock)) { @@ -1421,7 +1421,7 @@ static void init_scan_timer(void) if (scan_timer.function) return; /* already started */ - setup_timer(&scan_timer, (void *)&panel_scan_timer, 0); + timer_setup(&scan_timer, panel_scan_timer, 0); scan_timer.expires = jiffies + INPUT_POLL_TIME; add_timer(&scan_timer); } |