linux-kernel - [PATCH 1/3] PCI: SHPC: remove unused get_mode1_ECC

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Message-Id: <20221112142859.319733-2-ian@linux.cowan.aero>
Date:   Sat, 12 Nov 2022 09:28:57 -0500
From:   Ian Cowan <ian@...ux.cowan.aero>
To:     Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ian Cowan <ian@...ux.cowan.aero>
Subject: [PATCH 1/3] PCI: SHPC: remove unused get_mode1_ECC_cap callback declaration

The ->get_mode1_ECC_cap callback in the shpchp_hpc_ops struct is never
called so we'll remove it. This removes that callback from the
declaration of the struct in the shpc module.

Signed-off-by: Ian Cowan <ian@...ux.cowan.aero>
---
 drivers/pci/hotplug/shpchp_hpc.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index bd7557ca4910..48e4daefc44a 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -489,23 +489,6 @@ static int hpc_get_adapter_speed(struct slot *slot, enum pci_bus_speed *value)
 	return retval;
 }
 
-static int hpc_get_mode1_ECC_cap(struct slot *slot, u8 *mode)
-{
-	int retval = 0;
-	struct controller *ctrl = slot->ctrl;
-	u16 sec_bus_status = shpc_readw(ctrl, SEC_BUS_CONFIG);
-	u8 pi = shpc_readb(ctrl, PROG_INTERFACE);
-
-	if (pi == 2) {
-		*mode = (sec_bus_status & 0x0100) >> 8;
-	} else {
-		retval = -1;
-	}
-
-	ctrl_dbg(ctrl, "Mode 1 ECC cap = %d\n", *mode);
-	return retval;
-}
-
 static int hpc_query_power_fault(struct slot *slot)
 {
 	struct controller *ctrl = slot->ctrl;
@@ -900,7 +883,6 @@ static const struct hpc_ops shpchp_hpc_ops = {
 	.get_adapter_status		= hpc_get_adapter_status,
 
 	.get_adapter_speed		= hpc_get_adapter_speed,
-	.get_mode1_ECC_cap		= hpc_get_mode1_ECC_cap,
 	.get_prog_int			= hpc_get_prog_int,
 
 	.query_power_fault		= hpc_query_power_fault,
-- 
2.38.1