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Tue, 16 Apr 2024 14:56:37 +0200 From: Parker Newman To: Greg Kroah-Hartman , Jiri Slaby , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Cc: Parker Newman Subject: [PATCH v3 6/8] serial: exar: add CTI cards to exar_get_nr_ports Date: Tue, 16 Apr 2024 08:55:33 -0400 Message-ID: <4045adb4efcd58805337c66b2e9a37c3fbb8a1e4.1713270624.git.pnewman@connecttech.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: References: 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 X-Provags-ID: V03:K1:ihE7blmgy2JmCjhCCpsYoBPhluDQ00QwZs2aBO0f/JtL6fwU4op L0ZBbWi2LYOclN9ethy7ylQu2+bsEtRvAzePDCGTdCW5CQyW60cOL6sFZ8QyC0WgwdXVjEr xaAwl+ncg+K/rq5zh4jF0nw3Le06f+LIE1ZQGkDOo8Ug8CE8p51J0niL/NLf0Tj31V8nM7F 39XXgiLG6KsJ/xUCi8IPw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:4aGe6+SarkE=;OQcrbcjZyb3Y7WWdMF3fwcK6slb ZrET/fO36iOnVfJRG883oUNZlyIBWra8tnLyRVNDUuHOJYP1bPaWwAmmDtZWI/jYZqhpA190w hj9/6PeeQXcW93wUzBIXMzFIBica6yI0Yr4IBwCFfqVDB4qSX1Kzm2f1Ama5BIqoI6fSYRQKa XwprR9r3zt2WEBFrMbFKhLZldfZbETVPFqUIRrnbxBl5+6R53AiyHIve895KzXOuOlCoP9r94 SuCUvzVhfIV5CJATxwwXbZaz8PhU/KcwSp1CR9WUjnTFGKlhI5IJsf8qEuvFvPyZJ/71eKIDH Y6vH9q4jXYEH4Lp17569me08LFC75ONHwHySrOtKxy2p/yWPBp/9HrdthFPu4Kby4p2kGpp7r qeZ8m+141mi9fAF5xA8BnxUCONex5kb+16cqu8QkbA9UAJ//b4dAKaRgftiGk8jZTLoIlVS42 qZMdU2LudwzeaV8pFDpPuA1x16QMtC69lLFF/VCM1U9SIZ9z/Vc0k+6F6CRi+ynJtRlB16aQr Bg/4F2AxvS1fP4hpBnQVw5XVLedvdjOrsOvm4LzZ6ttqLGuxE+DdjBSDNwIIQjJ1BmpaGda4U 5v7wV7MyF+0ZbchWGjcI03yhwC9EB4aUkFfuEcHzVAw8iXg9lmmJWCmdFOJ70whgPBVdbdbzH hJXyI54NO2LYsG73ElJPmOfskiv6NqnHp/QQ4sABJ6M7yIuU6NbO644iRQtu5zckB+4buoptO nQzF2sOo2fdP4gr2Mi5EG8540/3C5O2k0mzupb+/5OPBoPIguwFJPM= Content-Type: text/plain; charset="utf-8" From: Parker Newman Add code for getting number of ports of CTI cards to exar_get_nr_ports() Changes in v3: - moved to separate patch - added spaces to single line comments Signed-off-by: Parker Newman --- drivers/tty/serial/8250/8250_exar.c | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/= 8250_exar.c index 7e47a4145c7b..ada01c6394a3 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -710,12 +710,28 @@ static unsigned int exar_get_nr_ports(struct exar8250= _board *board, { unsigned int nr_ports =3D 0; - if (pcidev->vendor =3D=3D PCI_VENDOR_ID_ACCESSIO) + if (pcidev->vendor =3D=3D PCI_VENDOR_ID_ACCESSIO) { nr_ports =3D BIT(((pcidev->device & 0x38) >> 3) - 1); - else if (board->num_ports) + } else if (board->num_ports > 0) { + // Check if board struct overrides number of ports nr_ports =3D board->num_ports; - else + } else if (pcidev->vendor =3D=3D PCI_VENDOR_ID_EXAR) { + // Exar encodes # ports in last nibble of PCI Device ID ex. 0358 nr_ports =3D pcidev->device & 0x0f; + } else if (pcidev->vendor =3D=3D PCI_VENDOR_ID_CONNECT_TECH) { + // Handle CTI FPGA cards + switch (pcidev->device) { + case PCI_DEVICE_ID_CONNECT_TECH_PCI_XR79X_12_XIG00X: + case PCI_DEVICE_ID_CONNECT_TECH_PCI_XR79X_12_XIG01X: + nr_ports =3D 12; + break; + case PCI_DEVICE_ID_CONNECT_TECH_PCI_XR79X_16: + nr_ports =3D 16; + break; + default: + break; + } + } return nr_ports; } -- 2.43.2