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Fri, 20 Aug 2021 04:54:24 -0700 (PDT) From: Oleksandr Andrushchenko To: andrew.cooper3@citrix.com, george.dunlap@citrix.com, iwj@xenproject.org, jbeulich@suse.com, julien@xen.org, sstabellini@kernel.org, wl@xen.org, xen-devel@lists.xenproject.org Cc: Oleksandr Andrushchenko Subject: [PATCH] ns16550: Properly gate Exar PCIe UART cards support Date: Fri, 20 Aug 2021 14:54:22 +0300 Message-Id: <20210820115422.2185145-1-andr2000@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1629460482162100003 Content-Type: text/plain; charset="utf-8" From: Oleksandr Andrushchenko This fixes Arm build which doesn't have ns16550 PCI support. ns16550.c:313:5: error: implicit declaration of function 'enable_exar_enhan= ced_bits' [-Werror=3Dimplicit-function-declaration] 313 | enable_exar_enhanced_bits(uart); | ^~~~~~~~~~~~~~~~~~~~~~~~~ Fixes: 5ffd37db2ff6 ("ns16550: add Exar PCIe UART cards support") Signed-off-by: Oleksandr Andrushchenko Reviewed-by: Jan Beulich --- xen/drivers/char/ns16550.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/drivers/char/ns16550.c b/xen/drivers/char/ns16550.c index b777c8711ee0..e2c24082c368 100644 --- a/xen/drivers/char/ns16550.c +++ b/xen/drivers/char/ns16550.c @@ -308,7 +308,7 @@ static void ns16550_setup_preirq(struct ns16550 *uart) /* Handle the DesignWare 8250 'busy-detect' quirk. */ handle_dw_usr_busy_quirk(uart); =20 -#ifdef CONFIG_HAS_PCI +#ifdef NS16550_PCI /* Enable Exar "Enhanced function bits" */ enable_exar_enhanced_bits(uart); #endif --=20 2.25.1