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authorStephen Boyd <swboyd@chromium.org>2021-01-23 06:44:25 +0300
committerRob Herring <robh@kernel.org>2021-01-26 21:17:32 +0300
commitd825f0bea20f49a8f413a6acd7c4100ea55edf6d (patch)
tree249a950f5b0f640a4bbfbd2374f23931f3cdd0e1 /drivers/tty/serial/stm32-usart.h
parent0e658fdd4b2d6fd8f3b83f27fd075b7b2a1d686d (diff)
downloadlinux-d825f0bea20f49a8f413a6acd7c4100ea55edf6d.tar.xz
serial: stm32: Use of_device_get_match_data()
This driver casts away the constness of struct stm32_usart_info that is pointed to by the of match table. Use of_device_get_match_data() instead of of_match_device() here and push the const throughout the code so that we don't cast away const. This nicely avoids referencing the match table when it is undefined with configurations where CONFIG_OF=n and fixes the const issues. Signed-off-by: Stephen Boyd <swboyd@chromium.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Frank Rowand <frowand.list@gmail.com> Cc: <linux-serial@vger.kernel.org> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210123034428.2841052-4-swboyd@chromium.org
Diffstat (limited to 'drivers/tty/serial/stm32-usart.h')
-rw-r--r--drivers/tty/serial/stm32-usart.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/stm32-usart.h b/drivers/tty/serial/stm32-usart.h
index d4c916e78d40..cb4f327c46db 100644
--- a/drivers/tty/serial/stm32-usart.h
+++ b/drivers/tty/serial/stm32-usart.h
@@ -259,7 +259,7 @@ struct stm32_usart_info stm32h7_info = {
struct stm32_port {
struct uart_port port;
struct clk *clk;
- struct stm32_usart_info *info;
+ const struct stm32_usart_info *info;
struct dma_chan *rx_ch; /* dma rx channel */
dma_addr_t rx_dma_buf; /* dma rx buffer bus address */
unsigned char *rx_buf; /* dma rx buffer cpu address */