From: Bernhard Beschow <shentey@gmail.com>
Date: Mon, 27 Jul 2026 09:28:46 +0000 (+0100)
Subject: hw/net/flexcan: Drop unused RX FIFO register overlay
X-Git-Tag: v11.1.0-rc2~3^2~14
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8af2ced638eef6ffafecc5ec34c76eab149df5d3;p=thirdparty%2Fqemu.git

hw/net/flexcan: Drop unused RX FIFO register overlay

Remove the unused `FlexcanRegsRXFifo` union view now that FIFO accesses
use the underlying `mbs[]` array directly.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Tested-by: Pavel Pisa <pisa@fel.cvut.cz>
Reviewed-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Message-id: 20260723070059.6332-3-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---

diff --git a/include/hw/net/flexcan.h b/include/hw/net/flexcan.h
index 32de7b904a..d8159475e0 100644
--- a/include/hw/net/flexcan.h
+++ b/include/hw/net/flexcan.h
@@ -35,16 +35,6 @@ typedef struct FlexcanRegsMessageBuffer {
     uint32_t data[2];
 } FlexcanRegsMessageBuffer;
 
-/* RX FIFO view of message buffer registers */
-typedef struct FlexcanRegsRXFifo {
-    /* 6 message buffer deep queue, queue back first */
-    FlexcanRegsMessageBuffer mb_back;
-    FlexcanRegsMessageBuffer mbs_queue[FLEXCAN_FIFO_DEPTH - 1];
-
-    /* number of filter elements active depends on ctrl2 | FLEXCAN_CTRL2_RFFN */
-    uint32_t                 filter_table_els[128];
-} FlexcanRegsRXFifo;
-
 /* FlexCAN register in hw layout */
 typedef struct FlexcanRegs {
     uint32_t mcr;                /* 0x00 */
@@ -78,7 +68,6 @@ typedef struct FlexcanRegs {
     union {                      /* 0x80 - not affected by soft reset */
         uint32_t mb[sizeof(FlexcanRegsMessageBuffer) * FLEXCAN_MAILBOX_COUNT];
         FlexcanRegsMessageBuffer mbs[FLEXCAN_MAILBOX_COUNT];
-        FlexcanRegsRXFifo fifo;
     };
     uint32_t _reserved4[256];    /* 0x480 */
     uint32_t rximr[64];          /* 0x880 - not affected by soft reset */