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[86.162.200.138]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429952de5f9sm33384041f8f.38.2025.10.30.10.55.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Oct 2025 10:55:33 -0700 (PDT) From: Biju X-Google-Original-From: Biju To: Greg Kroah-Hartman , Jiri Slaby Cc: Biju Das , Wolfram Sang , Lad Prabhakar , Geert Uytterhoeven , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Biju Das , linux-renesas-soc@vger.kernel.org Subject: [PATCH v2 10/13] serial: sh-sci: Make sci_scbrr_calc() public Date: Thu, 30 Oct 2025 17:55:14 +0000 Message-ID: <20251030175526.607006-11-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251030175526.607006-1-biju.das.jz@bp.renesas.com> References: <20251030175526.607006-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Biju Das Make the function sci_scbrr_calc() public for code reuse to support RZ/G3E RSCI IP. Signed-off-by: Biju Das --- v1->v2: * No change. --- drivers/tty/serial/sh-sci-common.h | 3 +++ drivers/tty/serial/sh-sci.c | 6 +++--- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/tty/serial/sh-sci-common.h b/drivers/tty/serial/sh-sci= -common.h index f730ff9add60..a3f4a76cdecb 100644 --- a/drivers/tty/serial/sh-sci-common.h +++ b/drivers/tty/serial/sh-sci-common.h @@ -171,6 +171,9 @@ void sci_port_enable(struct sci_port *sci_port); int sci_startup(struct uart_port *port); void sci_shutdown(struct uart_port *port); =20 +int sci_scbrr_calc(struct sci_port *s, unsigned int bps, unsigned int *brr, + unsigned int *srr, unsigned int *cks); + #define min_sr(_port) ffs((_port)->sampling_rate_mask) #define max_sr(_port) fls((_port)->sampling_rate_mask) =20 diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 67eba7feea9f..ca4915c1e2e6 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2395,9 +2395,8 @@ static int sci_brg_calc(struct sci_port *s, unsigned = int bps, } =20 /* calculate sample rate, BRR, and clock select */ -static int sci_scbrr_calc(struct sci_port *s, unsigned int bps, - unsigned int *brr, unsigned int *srr, - unsigned int *cks) +int sci_scbrr_calc(struct sci_port *s, unsigned int bps, unsigned int *brr, + unsigned int *srr, unsigned int *cks) { unsigned long freq =3D s->clk_rates[SCI_FCK]; unsigned int sr, br, prediv, scrate, c; @@ -2461,6 +2460,7 @@ static int sci_scbrr_calc(struct sci_port *s, unsigne= d int bps, min_err, *brr, *srr + 1, *cks); return min_err; } +EXPORT_SYMBOL_NS_GPL(sci_scbrr_calc, "SH_SCI"); =20 static void sci_reset(struct uart_port *port) { --=20 2.43.0