From cf3ebb90120c310e024791453aff55d24e392bef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Rohl=C3=ADnek?=
 <tomas.rohlinek@espressif.com>
Date: Fri, 5 Jan 2024 10:31:56 +0100
Subject: [PATCH] fix(storage/fatfs): check whether sdcard supports triming

Closes https://github.com/espressif/esp-idf/issues/12912
---
 components/fatfs/diskio/diskio_sdmmc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/fatfs/diskio/diskio_sdmmc.c b/components/fatfs/diskio/diskio_sdmmc.c
index 751729d901..3e61eb00dd 100644
--- a/components/fatfs/diskio/diskio_sdmmc.c
+++ b/components/fatfs/diskio/diskio_sdmmc.c
@@ -105,6 +105,9 @@ DRESULT ff_sdmmc_ioctl (BYTE pdrv, BYTE cmd, void* buff)
             return RES_ERROR;
 #if FF_USE_TRIM
         case CTRL_TRIM:
+            if (sdmmc_can_trim(card) != ESP_OK) {
+                return RES_PARERR;
+            }
             return ff_sdmmc_trim (pdrv, *((DWORD*)buff), //start_sector
                     (*((DWORD*)buff + 1) - *((DWORD*)buff) + 1)); //sector_count
 #endif //FF_USE_TRIM